Cerulean Frost (#6D9BC3)

The hex code for Cerulean Frost is #6D9BC3. It is rgb(109, 155, 195) in RGB, hsl(208, 42%, 60%) in HSL, and about cmyk(44%, 21%, 0%, 24%) in CMYK — a light blue. Black text is the more readable choice on this background.

#6D9BC3

HEX#6D9BC3

RGBrgb(109, 155, 195)

HSLhsl(208, 42%, 60%)

HSVhsv(208, 44%, 76%)

CMYKcmyk(44%, 21%, 0%, 24%)

OKLCHoklch(67.2% 0.078 245.5)

LABlab(61.83% -7.98 -25.95)

LCHlch(61.83% 27.15 252.92)

Colors Closest to Cerulean Frost

Cerulean Frost is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Air Superiority Blue#72A0C1ΔE 4.31 Iceberg#71A6D2ΔE 4.69 Blue-gray#6699CCΔE 6.21 Air Force Blue#5D8AA8ΔE 8.49 Silver Lake Blue#5D89BAΔE 8.58 Moonstone Blue#73A9C2ΔE 10.04

Browse the full index of named colors A-Z or every blue in the library.

#6D9BC3 Channel Values

How Cerulean Frost breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 109 · G 155 · B 195	8-bit channels as sent to the display
HSL	H 208° · S 42% · L 60%	Easiest model for building lighter and darker variants
HSV	H 208° · S 44% · V 76%	Matches the picker in most design tools
CMYK	C 44% · M 21% · Y 0% · K 24%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.95:1 vs white · 7.13:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Cerulean Frost background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text2.95:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.13:1AA normal ✓AA large ✓AAA normal ✓

Need a specific ratio against another background? Open #6D9BC3 in the contrast checker.

Colors That Go With Cerulean Frost

Pairings derived from color-wheel relationships. The complementary color sits opposite Cerulean Frost; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of Cerulean Frost

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #6D9BC3.

How Cerulean Frost Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#6D9BC3

Protanopia#9494C3

Protanomaly#8697C3

Deuteranopia#8E8EC4

Deuteranomaly#8293C3

Tritanopia#63A1A1

Tritanomaly#679EB0

Achromatopsia#969696

Test a full palette in the color blindness simulator.

Using #6D9BC3 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--cerulean-frost: #6D9BC3;

CSS backgroundbackground-color: #6D9BC3;

Tailwind configcolors: { 'cerulean-frost': '#6D9BC3' }

SwiftUIColor(red: 0.427, green: 0.608, blue: 0.765)

Android XML<color name="cerulean_frost">#6D9BC3</color>

SVG fillfill="#6D9BC3"

More Blue Colors

Cerulean Frost sits in the bluefamily. These are its neighbours across that family's full range, each with its own breakdown.

6f63bb 6ca0dc 7070ff 6b6bff 708090 6a7282 71a6d2 6a5acd 72a0c1 66ccff 73c2fb 66b8ff 88a6cd a3b3ff c4b4ff e2e9f3 000052 003366 020618 113c8d 1e2939 2c2555 3c32cd 525e6b

#6D9BC3 Frequently Asked Questions

What is the hex code for Cerulean Frost?

The hex code for Cerulean Frost is #6D9BC3. That is rgb(109, 155, 195) in RGB, hsl(208, 42%, 60%) in HSL, and approximately cmyk(44%, 21%, 0%, 24%) in CMYK.

What is the RGB value of #6D9BC3?

#6D9BC3 is rgb(109, 155, 195) — red 109, green 155, and blue 195 on the 0-255 scale.

What is the CMYK value of #6D9BC3?

#6D9BC3 converts to approximately cmyk(44%, 21%, 0%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #6D9BC3 be black or white?

Black text is the more readable choice. #6D9BC3 scores 2.95:1 against white and 7.13:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #6D9BC3 as a CSS color keyword?

No. #6D9BC3 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is steelblue (#4682B4) at a CIE76 distance of 12.02, which is visibly different.

Open Cerulean Frost in a Tool

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Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.