#288ac6

Color #288ac6

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 7.65 Nearest Tailwind class sky-600 #0084d1 · ΔE 3

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Conversions

HEX

#288ac6

RGB

rgb(40, 138, 198)

HSL

hsl(202.8, 66.4%, 46.7%)

HSV / HSB

hsv(202.8, 79.8%, 77.6%)

CMYK

cmyk(79.8%, 30.3%, 0%, 22.4%)

LAB

lab(54.76, -6.87, -38.93)

LCH

lch(54.76, 39.53, 259.99)

OKLCH

oklch(60.6%, 0.1261, 241.12)

HWB

hwb(202.8, 15.7%, 22.4%)

Harmony colors

Complementary

#c66428

Analogous

#28c6b3

#288ac6

#283bc6

Triadic

#288ac6

#c6288a

#8ac628

Split-complementary

#288ac6

#c6283b

#c6b328

Tetradic

#288ac6

#6428c6

#c66428

#8ac628

Square

#288ac6

#b328c6

#c66428

#3bc628

Shades

Color #288ac6 mixed toward black.

#2173a5

#1b5c84

#144563

#0d2e42

#071721

Tints

Color #288ac6 mixed toward white.

#43a0d9

#68b3e1

#8ec6e8

#b4d9f0

#d9ecf7

Tones

Color #288ac6 mixed toward gray.

#3587b9

#4284ac

#50819f

#5d7d91

#6a7a84

Accessibility

Aa White text on this color

3.79:1

Aa Black text on this color

5.54:1

Black text reads better on this background (5.54:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6263ba · ΔE 20.1

Deuteranopia

#5d55b7 · ΔE 23.8

Tritanopia

#33afad · ΔE 23.5

Achromatopsia

#838383 · ΔE 21

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

Code

CSS

background-color: #288ac6;

Tailwind (arbitrary value)

bg-[#288ac6]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#288ac6 (#288ac6) is rgb(40, 138, 198) in RGB.

No, #288ac6 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 #288ac6, or check how it holds up for accessibility.

Generate a palette → Check contrast