#289aaa

Color #289aaa

A moderately saturated medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 11.62 Nearest Tailwind class cyan-600 #0092b8 · ΔE 7.8

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Conversions

HEX

#289aaa

RGB

rgb(40, 154, 170)

HSL

hsl(187.4, 61.9%, 41.2%)

HSV / HSB

hsv(187.4, 76.5%, 66.7%)

CMYK

cmyk(76.5%, 9.4%, 0%, 33.3%)

LAB

lab(58.47, -25.19, -17.29)

LCH

lch(58.47, 30.55, 214.47)

OKLCH

oklch(63.2%, 0.0991, 209.02)

HWB

hwb(187.4, 15.7%, 33.3%)

Harmony colors

Complementary

#aa3828

Analogous

#28aa79

#289aaa

#2859aa

Triadic

#289aaa

#aa289a

#9aaa28

Split-complementary

#289aaa

#aa2859

#aa7928

Tetradic

#289aaa

#3828aa

#aa3828

#9aaa28

Square

#289aaa

#7928aa

#aa3828

#59aa28

Shades

Color #289aaa mixed toward black.

#21808e

#1b6771

#144d55

#0d3339

#071a1c

Tints

Color #289aaa mixed toward white.

#35bccf

#5dcad9

#86d7e2

#aee4ec

#d7f2f5

Tones

Color #289aaa mixed toward gray.

#33929f

#3e8a94

#49828a

#53797f

#5e7174

Accessibility

Aa White text on this color

3.34:1

Aa Black text on this color

6.29:1

Black text reads better on this background (6.29:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6d6ea6 · ΔE 27.6

Deuteranopia

#675ea5 · ΔE 31.6

Tritanopia

#36a3a3 · ΔE 6.8

Achromatopsia

#8d8d8d · ΔE 20.9

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

Code

CSS

background-color: #289aaa;

Tailwind (arbitrary value)

bg-[#289aaa]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Light Blue #add8e6

Aqua #00ffff

Azure #f0ffff

Frequently asked questions

#289aaa (#289aaa) is rgb(40, 154, 170) in RGB.

No, #289aaa 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #289aaa, or check how it holds up for accessibility.

Generate a palette → Check contrast