#004e66

Color #004e66

A vivid, highly saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 14.4 Nearest Tailwind class cyan-900 #104e64 · ΔE 0.9

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Conversions

HEX

#004e66

RGB

rgb(0, 78, 102)

HSL

hsl(194.1, 100%, 20%)

HSV / HSB

hsv(194.1, 100%, 40%)

CMYK

cmyk(100%, 23.5%, 0%, 60%)

LAB

lab(30.42, -11.22, -19.78)

LCH

lch(30.42, 22.74, 240.44)

OKLCH

oklch(39.5%, 0.0763, 226.96)

HWB

hwb(194.1, 0%, 60%)

Harmony colors

Complementary

#661800

Analogous

#00664b

#004e66

#001b66

Triadic

#004e66

#66004e

#4e6600

Split-complementary

#004e66

#66001b

#664b00

Tetradic

#004e66

#180066

#661800

#4e6600

Square

#004e66

#4b0066

#661800

#1b6600

Shades

Color #004e66 mixed toward black.

#004155

#003444

#002733

#001a22

#000d11

Tints

Color #004e66 mixed toward white.

#0082aa

#00b6ee

#33cfff

#77dfff

#bbefff

Tones

Color #004e66 mixed toward gray.

#084a5e

#114555

#1a414d

#223c44

#2b383c

Accessibility

Aa White text on this color

9.2:1

Aa Black text on this color

2.28:1

White text reads better on this background (9.2:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#333361 · ΔE 19.3

Deuteranopia

#2f2a60 · ΔE 20.4

Tritanopia

#0c5d5c · ΔE 13.3

Achromatopsia

#484848 · ΔE 16.3

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

Code

CSS

background-color: #004e66;

Tailwind (arbitrary value)

bg-[#004e66]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#004e66 (#004e66) is rgb(0, 78, 102) in RGB.

No, #004e66 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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.

Try it → Generators

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 #004e66, or check how it holds up for accessibility.

Generate a palette → Check contrast