#3C5CA2a cool bold blue

At a glance#3C5CA2, oklch(48.6% 0.119 264.0), is a cool bold blue, close to Azure #315BA1 or Blue Dahlia #415E9C. Pair it with a warm light brown #BA8468 as an accent, a cool light blue #6D97B7 for harmony, and a cool muted blue #586070 as a neutral. Put it to work as a text color on light backgrounds, or a brand or accent color, and it holds AA contrast against white. A coated press has to move it a little, by less than a print run varies anyway.
Color codes

#3C5CA2 in RGB, HSL, OKLCH & more

Ready to ship: every line pastes straight into your codebase, and the whole file copies at once.

3c5ca2.css
:root { /* how your code speaks it */ /* how your eyes measure it */ /* how the lab measures it, D65 2° */}/* tailwind v4 */

ART is Rhapsody's perceptual model. How ART works

Color family

What kind of blue is #3C5CA2?

Every color has a place in the standard vocabulary. This is #3C5CA2's, measured rather than asserted.

#3C5CA2's Munsell numbers: hue 6.4PB, value 3.9 (how light), chroma 10.0 (how vivid). That places it in ISCC-NBS block strong blue, one of 267 named ranges the standard sorts every color into. Chroma 10.0 is moderate. Clearly colored, but not so saturated it fights the colors around it.

There's still some room before it hits the edge of what your screen can show for this hue. It could go a little more saturated and stay in gamut.

Munsell coordinates and block from the ISCC-NBS system, computed by Rhapsody's own renotation inversion.

Tints & shades

Shades of #3C5CA2, lighter and darker

For hover states, washed backgrounds, and dark surfaces that still read as #3C5CA2. 13 steps, spaced evenly by eye, with the color itself sitting at its natural depth, blue-700.

Tints (light surfaces; dark text passes on every one)

Midtones (the color at full strength, for brand & accent work)

Shades (dark surfaces; light text passes on every one)

Rhapsody Palette

Most tools mix. Rhapsody measures.

Paste any color. The whole system comes back, contrast-checked before you see it.

Build your palette free

The window on the right was generated from #3C5CA2, like this whole page.

Accessibility

Is #3C5CA2 accessible? Contrast with white & black

Strong contrast makes your work readable by everyone, and meets the WCAG standard accessibility law points at. AA is the floor; AAA is the tier worth aiming for in body text. White text on #3C5CA2 passes AA. For AAA, use its scale. Every strip below is one surface, and the marks are the steps that reach AAA on it.

Rows are text, columns are background · 64 of 210 pairings reach WCAG 2.2 AAA, shown here.

Rhapsody Palette

Ship the audit, not screenshots.

Run #3C5CA2 against the colors you actually ship, every pairing and any target, and export it: exact ratios, the AA tier, APCA, in one file.

Get the full audit

The audit on the right was calibrated from #3C5CA2, like this whole page.

Print

#3C5CA2 in CMYK: one value for files, one per press

Presses move this color a little, by less than a print run varies anyway, so a printer would call it a match. The pairs below show where each standard lands.

In CMYK, #3C5CA2 is . That is the value design tools and file formats use when no press is involved.

On press (what each standard prints)

CGATS21 CRPC1 (coldset news) shifts on press
on screenon press

shifts ΔE00 11.5, 4.6× the 2.5 a run varies by

GRACoL 2013 Uncoated (CRPC3) shifts on press
on screenon press

shifts ΔE00 5.7, 2.3× the 2.5 a run varies by

GRACoL 2013 (CRPC6) within tolerance
on screenon press

shifts ΔE00 0.8, under the 2.5 a press run varies by

PSO Coated v3 (FOGRA51) prints exactly
on screenon press

in gamut · no shift

Coated FOGRA39 prints exactly
on screenon press

in gamut · no shift

Japan Color 2011 Coated prints exactly
on screenon press

in gamut · no shift

APTEC Flexo Coated within tolerance
on screenon press

shifts ΔE00 0.5, under the 2.5 a press run varies by

CGATS21 CRPC7 (extended gamut) prints exactly
on screenon press

in gamut · no shift

Press values computed through the ICC characterization data each standard proofs against. Each CMYK above is the closest that standard can get, near enough that a press run's own variation is the larger difference.

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No surprises at the printer.

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The strip shows this page's tints and shades on screen, then through a standard GRACoL 2013 conversion.

The Blues

Colors similar to #3C5CA2

This color sits in The Blues, close to the border with The Indigos. Explore The Blues

The row runs cooler on the left, warmer on the right.

The wheel's warm pole sits near Pumpkin, its cool pole near Goluboy.

Named colors near this one: Azure #315BA1 (via Name that Color) · Blue Dahlia #415E9C (via color-name-list) · Raftsman #3C5F9B (via color-name-list) · International #3762A5 (via color-name-list) · Neptune Blue #2E5D9D (via color-name-list)

Pairings

Colors that go with #3C5CA2

The complementary color, straight across the wheel, is a warm pale gold #DEC794. Rhapsody's pick is the split complement, just to one side of it, a livelier pair.

The accent is for the moments that need attention, the harmony for the ones that need calm; the neutral carries the text and surfaces in between.

Downloads

Take #3C5CA2 with you

The work on this page doesn't stay here. Save a card and the color arrives in your file, your deck or your board already decided.

#3C5CA2 color codes: hex #3C5CA2, RGB, HSL, CMYK, and OKLCH, from Rhapsody
Paste it anywhere without coming back for it.
The full tonal scale of #3C5CA2, 13 steps from light to dark with every hex, from Rhapsody
Reach for the right depth instead of the one you have.
#3C5CA2 paired with a warm light brown #BA8468, a cool light blue #6D97B7, a cool muted blue #586070: hex values and roles, from Rhapsody
Open a palette that already works together.
One free account

Your system is already built.

Rhapsody built it before you even asked: the scale, the neutrals, the utilities, every pairing calibrated.

This page's whole theme is built from one color. Palette does the same for yours: every step calibrated, every pairing checked, press included.

Every color on this page was calibrated, not mixed.

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