#288aaa

Color #288aaa

A moderately saturated medium cyan.

Closest named color Steel Blue #4682b4 · ΔE 14.69 Nearest Tailwind class cyan-600 #0092b8 · ΔE 3.1

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Conversions

HEX

#288aaa

RGB

rgb(40, 138, 170)

HSL

hsl(194.8, 61.9%, 41.2%)

HSV / HSB

hsv(194.8, 76.5%, 66.7%)

CMYK

cmyk(76.5%, 18.8%, 0%, 33.3%)

LAB

lab(53.52, -16.77, -24.87)

LCH

lch(53.52, 30, 236.01)

OKLCH

oklch(59.2%, 0.0993, 224.59)

HWB

hwb(194.8, 15.7%, 33.3%)

Harmony colors

Complementary

#aa4828

Analogous

#28aa89

#288aaa

#2849aa

Triadic

#288aaa

#aa288a

#8aaa28

Split-complementary

#288aaa

#aa2849

#aa8928

Tetradic

#288aaa

#4828aa

#aa4828

#8aaa28

Square

#288aaa

#8928aa

#aa4828

#49aa28

Shades

Color #288aaa mixed toward black.

#21738e

#1b5c71

#144555

#0d2e39

#07171c

Tints

Color #288aaa mixed toward white.

#35a9cf

#5dbad9

#86cce2

#aeddec

#d7eef5

Tones

Color #288aaa mixed toward gray.

#33859f

#3e7f94

#497a8a

#53747f

#5e6f74

Accessibility

Aa White text on this color

3.96:1

Aa Black text on this color

5.31:1

Black text reads better on this background (5.31:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6263a3 · ΔE 23.1

Deuteranopia

#5d55a1 · ΔE 26.2

Tritanopia

#339d9c · ΔE 14.2

Achromatopsia

#808080 · ΔE 19.4

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

Code

CSS

background-color: #288aaa;

Tailwind (arbitrary value)

bg-[#288aaa]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#288aaa (#288aaa) is rgb(40, 138, 170) in RGB.

No, #288aaa 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 #288aaa, or check how it holds up for accessibility.

Generate a palette → Check contrast