Cambridge Blue (#A3C1AD)

The hex code for Cambridge Blue is #A3C1AD. It is rgb(163, 193, 173) in RGB, hsl(140, 19%, 70%) in HSL, and about cmyk(16%, 0%, 10%, 24%) in CMYK — a light green. Black text is the more readable choice on this background.

#A3C1AD

HEX#A3C1AD

RGBrgb(163, 193, 173)

HSLhsl(140, 19%, 70%)

HSVhsv(140, 16%, 76%)

CMYKcmyk(16%, 0%, 10%, 24%)

OKLCHoklch(78.3% 0.043 156.1)

LABlab(75.40% -13.48 6.55)

LCHlch(75.40% 14.98 154.06)

Colors Closest to Cambridge Blue

Cambridge Blue 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.

Opal#A8C3BCΔE 7.03 Laurel Green#A9BA9DΔE 7.24 Ash Gray#B2BEB5ΔE 8.66 Eton Blue#96C8A2ΔE 11.66 Morning Blue#8DA399ΔE 11.8 Turquoise Green#A0D6B4ΔE 12.2

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

#A3C1AD Channel Values

How Cambridge Blue 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 163 · G 193 · B 173	8-bit channels as sent to the display
HSL	H 140° · S 19% · L 70%	Easiest model for building lighter and darker variants
HSV	H 140° · S 16% · V 76%	Matches the picker in most design tools
CMYK	C 16% · M 0% · Y 10% · K 24%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.95:1 vs white · 10.79:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Cambridge Blue 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 text1.95:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text10.79:1AA normal ✓AA large ✓AAA normal ✓

Need a specific ratio against another background? Open #A3C1AD in the contrast checker.

Colors That Go With Cambridge Blue

Pairings derived from color-wheel relationships. The complementary color sits opposite Cambridge Blue; 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 Cambridge Blue

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 #A3C1AD.

How Cambridge Blue 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#A3C1AD

Protanopia#BCBCAD

Protanomaly#B3BEAD

Deuteranopia#B8B8AE

Deuteranomaly#B0BCAE

Tritanopia#A6BFBF

Tritanomaly#A5C0B8

Achromatopsia#BABABA

Test a full palette in the color blindness simulator.

Using #A3C1AD in Code

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

CSS custom property--cambridge-blue: #A3C1AD;

CSS backgroundbackground-color: #A3C1AD;

Tailwind configcolors: { 'cambridge-blue': '#A3C1AD' }

SwiftUIColor(red: 0.639, green: 0.757, blue: 0.678)

Android XML<color name="cambridge_blue">#A3C1AD</color>

SVG fillfill="#A3C1AD"

More Green Colors

Cambridge Blue sits in the greenfamily. These are its neighbours across that family's full range, each with its own breakdown.

a3e0bf a1ff42 a3e1cc a1e8a1 a3ff47 a1bf6e a3ffe0 a0d6b4 a4f4cf 9fcf3f a6d608 9fc69f bae9d9 d1ffd1 f0fdf4 007548 00cc00 0a3e0a 1c5435 336633 414833 5c995c 6ecf99 8fff1f

#A3C1AD Frequently Asked Questions

What is the hex code for Cambridge Blue?

The hex code for Cambridge Blue is #A3C1AD. That is rgb(163, 193, 173) in RGB, hsl(140, 19%, 70%) in HSL, and approximately cmyk(16%, 0%, 10%, 24%) in CMYK.

What is the RGB value of #A3C1AD?

#A3C1AD is rgb(163, 193, 173) — red 163, green 193, and blue 173 on the 0-255 scale.

What is the CMYK value of #A3C1AD?

#A3C1AD converts to approximately cmyk(16%, 0%, 10%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A3C1AD be black or white?

Black text is the more readable choice. #A3C1AD scores 1.95:1 against white and 10.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A3C1AD as a CSS color keyword?

No. #A3C1AD 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 darkseagreen (#8FBC8F) at a CIE76 distance of 14.61, which is visibly different.

Open Cambridge Blue in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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