#00303b

Color #00303b

A vivid, highly saturated very dark cyan.

Closest named color Charcoal #36454f · ΔE 13.37 Nearest Tailwind class cyan-950 #053345 · ΔE 4.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#00303b

RGB

rgb(0, 48, 59)

HSL

hsl(191.2, 100%, 11.6%)

HSV / HSB

hsv(191.2, 100%, 23.1%)

CMYK

cmyk(100%, 18.6%, 0%, 76.9%)

LAB

lab(17.6, -10.41, -11.27)

LCH

lch(17.6, 15.34, 227.27)

OKLCH

oklch(28.5%, 0.0513, 218.03)

HWB

hwb(191.2, 0%, 76.9%)

Harmony colors

Complementary

#3b0b00

Analogous

#003b29

#00303b

#00133b

Triadic

#00303b

#3b0030

#303b00

Split-complementary

#00303b

#3b0013

#3b2900

Tetradic

#00303b

#0b003b

#3b0b00

#303b00

Square

#00303b

#29003b

#3b0b00

#133b00

Shades

Color #00303b mixed toward black.

#002831

#002027

#00181e

#001014

#00080a

Tints

Color #00303b mixed toward white.

#006d86

#00aad1

#1ed5ff

#69e3ff

#b4f1ff

Tones

Color #00303b mixed toward gray.

#052d36

#0a2a31

#0f272c

#142427

#192123

Accessibility

Aa White text on this color

14.13:1

Aa Black text on this color

1.49:1

White text reads better on this background (14.13:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1e39 · ΔE 20.1

Deuteranopia

#1b1838 · ΔE 21.7

Tritanopia

#053736 · ΔE 7.7

Achromatopsia

#2b2b2b · ΔE 13.4

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

Code

CSS

background-color: #00303b;

Tailwind (arbitrary value)

bg-[#00303b]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Powder Blue #b0e0e6

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#00303b (#00303b) is rgb(0, 48, 59) in RGB.

No, #00303b 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.

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 #00303b, or check how it holds up for accessibility.

Generate a palette → Check contrast