#288a89

Color #288a89

A moderately saturated dark cyan.

Closest named color Dark Cyan #008b8b · ΔE 3.44 Nearest Tailwind class teal-600 #009689 · ΔE 6.3

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Conversions

HEX

#288a89

RGB

rgb(40, 138, 137)

HSL

hsl(179.4, 55.1%, 34.9%)

HSV / HSB

hsv(179.4, 71%, 54.1%)

CMYK

cmyk(71%, 0%, 0.7%, 45.9%)

LAB

lab(52.32, -27.47, -7.61)

LCH

lch(52.32, 28.5, 195.48)

OKLCH

oklch(57.9%, 0.0874, 194.04)

HWB

hwb(179.4, 15.7%, 45.9%)

Harmony colors

Complementary

#8a2829

Analogous

#288a58

#288a89

#285a8a

Triadic

#288a89

#89288a

#8a8928

Split-complementary

#288a89

#8a285a

#8a5828

Tetradic

#288a89

#28298a

#8a2829

#8a8928

Square

#288a89

#58288a

#8a2829

#5a8a28

Shades

Color #288a89 mixed toward black.

#217372

#1b5c5b

#144545

#0d2e2e

#071717

Tints

Color #288a89 mixed toward white.

#34b5b4

#53cdcc

#7edad9

#a9e6e6

#d4f3f2

Tones

Color #288a89 mixed toward gray.

#308281

#387a79

#407271

#496969

#516161

Accessibility

Aa White text on this color

4.13:1

Aa Black text on this color

5.09:1

Black text reads better on this background (5.09:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#626389 · ΔE 28.6

Deuteranopia

#5d5589 · ΔE 32.4

Tritanopia

#338989 · ΔE 1.1

Achromatopsia

#7d7d7d · ΔE 21.1

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

Code

CSS

background-color: #288a89;

Tailwind (arbitrary value)

bg-[#288a89]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#288a89 (#288a89) is rgb(40, 138, 137) in RGB.

No, #288a89 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #288a89, or check how it holds up for accessibility.

Generate a palette → Check contrast