#15313a

Color #15313a

A moderately saturated very dark cyan.

Closest named color Charcoal #36454f · ΔE 10.66 Nearest Tailwind class cyan-950 #053345 · ΔE 4.2

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Conversions

HEX

#15313a

RGB

rgb(21, 49, 58)

HSL

hsl(194.6, 46.8%, 15.5%)

HSV / HSB

hsv(194.6, 63.8%, 22.7%)

CMYK

cmyk(63.8%, 15.5%, 0%, 77.3%)

LAB

lab(18.63, -7.42, -8.93)

LCH

lch(18.63, 11.61, 230.28)

OKLCH

oklch(29.6%, 0.0375, 221.43)

HWB

hwb(194.6, 8.2%, 77.3%)

Harmony colors

Complementary

#3a1e15

Analogous

#153a31

#15313a

#151f3a

Triadic

#15313a

#3a1531

#313a15

Split-complementary

#15313a

#3a151f

#3a3115

Tetradic

#15313a

#1e153a

#3a1e15

#313a15

Square

#15313a

#31153a

#3a1e15

#1f3a15

Shades

Color #15313a mixed toward black.

#122930

#0e2127

#0b191d

#071013

#04080a

Tints

Color #15313a mixed toward white.

#285e6f

#3b8aa3

#61adc6

#96c8d9

#cae4ec

Tones

Color #15313a mixed toward gray.

#182f37

#1b2e34

#1e2c31

#212b2e

#24292b

Accessibility

Aa White text on this color

13.7:1

Aa Black text on this color

1.53:1

White text reads better on this background (13.7:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#242438 · ΔE 16

Deuteranopia

#222037 · ΔE 17.9

Tritanopia

#173636 · ΔE 6.2

Achromatopsia

#2d2d2d · ΔE 10.8

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

Code

CSS

background-color: #15313a;

Tailwind (arbitrary value)

bg-[#15313a]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#15313a (#15313a) is rgb(21, 49, 58) in RGB.

No, #15313a 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 #15313a, or check how it holds up for accessibility.

Generate a palette → Check contrast