#225e66

Color #225e66

A moderately saturated dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.65 Nearest Tailwind class cyan-800 #005f78 · ΔE 6.8

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Conversions

HEX

#225e66

RGB

rgb(34, 94, 102)

HSL

hsl(187.1, 50%, 26.7%)

HSV / HSB

hsv(187.1, 66.7%, 40%)

CMYK

cmyk(66.7%, 7.8%, 0%, 60%)

LAB

lab(36.56, -16.39, -10.3)

LCH

lch(36.56, 19.36, 212.15)

OKLCH

oklch(44.7%, 0.0621, 207.43)

HWB

hwb(187.1, 13.3%, 60%)

Harmony colors

Complementary

#662a22

Analogous

#22664c

#225e66

#223c66

Triadic

#225e66

#66225e

#5e6622

Split-complementary

#225e66

#66223c

#664c22

Tetradic

#225e66

#2a2266

#662a22

#5e6622

Square

#225e66

#4c2266

#662a22

#3c6622

Shades

Color #225e66 mixed toward black.

#1c4e55

#173f44

#112f33

#0b1f22

#061011

Tints

Color #225e66 mixed toward white.

#328995

#44b2c1

#73c5d0

#a2d8e0

#d0ecef

Tones

Color #225e66 mixed toward gray.

#285a60

#2d555b

#335155

#394d4f

#3e484a

Accessibility

Aa White text on this color

7.34:1

Aa Black text on this color

2.86:1

White text reads better on this background (7.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#444464 · ΔE 23.8

Deuteranopia

#403c64 · ΔE 25.4

Tritanopia

#286362 · ΔE 4.7

Achromatopsia

#565656 · ΔE 16.6

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #225e66;

Tailwind (arbitrary value)

bg-[#225e66]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#225e66 (#225e66) is rgb(34, 94, 102) in RGB.

No, #225e66 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #225e66, or check how it holds up for accessibility.

Generate a palette → Check contrast