#28515b

Color #28515b

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 6.6 Nearest Tailwind class cyan-900 #104e64 · ΔE 5.1

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Conversions

HEX

#28515b

RGB

rgb(40, 81, 91)

HSL

hsl(191.8, 38.9%, 25.7%)

HSV / HSB

hsv(191.8, 56%, 35.7%)

CMYK

cmyk(56%, 11%, 0%, 64.3%)

LAB

lab(32.01, -11.18, -10.26)

LCH

lch(32.01, 15.17, 222.54)

OKLCH

oklch(40.9%, 0.0488, 215.58)

HWB

hwb(191.8, 15.7%, 64.3%)

Harmony colors

Complementary

#5b3228

Analogous

#285b4c

#28515b

#28385b

Triadic

#28515b

#5b2851

#515b28

Split-complementary

#28515b

#5b2838

#5b4c28

Tetradic

#28515b

#32285b

#5b3228

#515b28

Square

#28515b

#4c285b

#5b3228

#385b28

Shades

Color #28515b mixed toward black.

#21444c

#1b363d

#14292e

#0d1b1e

#070e0f

Tints

Color #28515b mixed toward white.

#3b7887

#509eb2

#7bb7c5

#a7cfd8

#d3e7ec

Tones

Color #28515b mixed toward gray.

#2c4e57

#314c53

#35494e

#39474a

#3d4446

Accessibility

Aa White text on this color

8.68:1

Aa Black text on this color

2.42:1

White text reads better on this background (8.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3e3e59 · ΔE 19.9

Deuteranopia

#3b3858 · ΔE 21.8

Tritanopia

#2b5756 · ΔE 6.4

Achromatopsia

#4b4b4b · ΔE 13.6

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

Code

CSS

background-color: #28515b;

Tailwind (arbitrary value)

bg-[#28515b]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#28515b (#28515b) is rgb(40, 81, 91) in RGB.

No, #28515b 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 #28515b, or check how it holds up for accessibility.

Generate a palette → Check contrast