#003940

Color #003940

A vivid, highly saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 11.65 Nearest Tailwind class teal-950 #022f2e · ΔE 5.3

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Conversions

HEX

#003940

RGB

rgb(0, 57, 64)

HSL

hsl(186.6, 100%, 12.5%)

HSV / HSB

hsv(186.6, 100%, 25.1%)

CMYK

cmyk(100%, 10.9%, 0%, 74.9%)

LAB

lab(21.19, -13.87, -9.17)

LCH

lch(21.19, 16.63, 213.47)

OKLCH

oklch(31.5%, 0.0542, 208.17)

HWB

hwb(186.6, 0%, 74.9%)

Harmony colors

Complementary

#400700

Analogous

#004027

#003940

#001940

Triadic

#003940

#400039

#394000

Split-complementary

#003940

#400019

#402700

Tetradic

#003940

#070040

#400700

#394000

Square

#003940

#270040

#400700

#194000

Shades

Color #003940 mixed toward black.

#002f35

#00262b

#001c20

#001315

#00090b

Tints

Color #003940 mixed toward white.

#007b8a

#00bdd4

#20e6ff

#6aefff

#b5f7ff

Tones

Color #003940 mixed toward gray.

#05353a

#0b3035

#102c30

#15282b

#1b2425

Accessibility

Aa White text on this color

12.66:1

Aa Black text on this color

1.66:1

White text reads better on this background (12.66:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24253e · ΔE 21.8

Deuteranopia

#211d3e · ΔE 24.6

Tritanopia

#073d3d · ΔE 4.1

Achromatopsia

#333333 · ΔE 15

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

Code

CSS

background-color: #003940;

Tailwind (arbitrary value)

bg-[#003940]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#003940 (#003940) is rgb(0, 57, 64) in RGB.

No, #003940 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

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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 #003940, or check how it holds up for accessibility.

Generate a palette → Check contrast