#004c40

Color #004c40

A vivid, highly saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 13.69 Nearest Tailwind class emerald-900 #004f3b · ΔE 3.4

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Conversions

HEX

#004c40

RGB

rgb(0, 76, 64)

HSL

hsl(170.5, 100%, 14.9%)

HSV / HSB

hsv(170.5, 100%, 29.8%)

CMYK

cmyk(100%, 0%, 15.8%, 70.2%)

LAB

lab(28.22, -24.1, 1.27)

LCH

lch(28.22, 24.13, 176.98)

OKLCH

oklch(37.3%, 0.0689, 177.5)

HWB

hwb(170.5, 0%, 70.2%)

Harmony colors

Complementary

#4c000c

Analogous

#004c1a

#004c40

#00324c

Triadic

#004c40

#40004c

#4c4000

Split-complementary

#004c40

#4c0032

#4c1a00

Tetradic

#004c40

#000c4c

#4c000c

#4c4000

Square

#004c40

#1a004c

#4c000c

#324c00

Shades

Color #004c40 mixed toward black.

#003f35

#00332b

#002620

#001915

#000d0b

Tints

Color #004c40 mixed toward white.

#00947d

#00ddba

#26ffdd

#6effe8

#b7fff4

Tones

Color #004c40 mixed toward gray.

#06463c

#0d3f37

#133933

#19332f

#202c2a

Accessibility

Aa White text on this color

9.96:1

Aa Black text on this color

2.11:1

White text reads better on this background (9.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313243 · ΔE 25.8

Deuteranopia

#2e2844 · ΔE 30.4

Tritanopia

#0c4546 · ΔE 7.1

Achromatopsia

#434343 · ΔE 19.7

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

Code

CSS

background-color: #004c40;

Tailwind (arbitrary value)

bg-[#004c40]

Related colors

Turquoise #40e0d0

Light Sea Green #20b2aa

Medium Turquoise #48d1cc

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#004c40 (#004c40) is rgb(0, 76, 64) in RGB.

No, #004c40 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.

Try it → Accessibility

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 #004c40, or check how it holds up for accessibility.

Generate a palette → Check contrast