#287ea4

Color #287ea4

A moderately saturated medium cyan.

Closest named color Steel Blue #4682b4 · ΔE 9.77 Nearest Tailwind class cyan-700 #007595 · ΔE 4.8

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Conversions

HEX

#287ea4

RGB

rgb(40, 126, 164)

HSL

hsl(198.4, 60.8%, 40%)

HSV / HSB

hsv(198.4, 75.6%, 64.3%)

CMYK

cmyk(75.6%, 23.2%, 0%, 35.7%)

LAB

lab(49.56, -12.17, -27.54)

LCH

lch(49.56, 30.11, 246.16)

OKLCH

oklch(56%, 0.0986, 231.79)

HWB

hwb(198.4, 15.7%, 35.7%)

Harmony colors

Complementary

#a44e28

Analogous

#28a48c

#287ea4

#2840a4

Triadic

#287ea4

#a4287e

#7ea428

Split-complementary

#287ea4

#a42840

#a48c28

Tetradic

#287ea4

#4e28a4

#a44e28

#7ea428

Square

#287ea4

#8c28a4

#a44e28

#40a428

Shades

Color #287ea4 mixed toward black.

#216989

#1b546d

#143f52

#0d2a37

#07151b

Tints

Color #287ea4 mixed toward white.

#329dcd

#5bb1d7

#84c4e1

#add8eb

#d6ebf5

Tones

Color #287ea4 mixed toward gray.

#327a9a

#3d768f

#477285

#516e7b

#5c6a70

Accessibility

Aa White text on this color

4.55:1

Aa Black text on this color

4.61:1

Black text reads better on this background (4.61:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5a5b9c · ΔE 20.2

Deuteranopia

#554f9a · ΔE 22.8

Tritanopia

#319594 · ΔE 17.1

Achromatopsia

#767676 · ΔE 18.8

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

Code

CSS

background-color: #287ea4;

Tailwind (arbitrary value)

bg-[#287ea4]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#287ea4 (#287ea4) is rgb(40, 126, 164) in RGB.

No, #287ea4 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 #287ea4, or check how it holds up for accessibility.

Generate a palette → Check contrast