#303b3f

Color #303b3f

A nearly neutral, gray-leaning dark cyan.

Closest named color Charcoal #36454f · ΔE 5.89 Nearest Tailwind class mist-700 #394447 · ΔE 3

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

Conversions

HEX

#303b3f

RGB

rgb(48, 59, 63)

HSL

hsl(196, 13.5%, 21.8%)

HSV / HSB

hsv(196, 23.8%, 24.7%)

CMYK

cmyk(23.8%, 6.3%, 0%, 75.3%)

LAB

lab(24.05, -3.47, -3.99)

LCH

lch(24.05, 5.29, 228.99)

OKLCH

oklch(34.4%, 0.0162, 221.75)

HWB

hwb(196, 18.8%, 75.3%)

Harmony colors

Complementary

#3f3430

Analogous

#303f3c

#303b3f

#30343f

Triadic

#303b3f

#3f303b

#3b3f30

Split-complementary

#303b3f

#3f3034

#3f3c30

Tetradic

#303b3f

#34303f

#3f3430

#3b3f30

Square

#303b3f

#3c303f

#3f3430

#343f30

Shades

Color #303b3f mixed toward black.

#283135

#20272a

#181e20

#101415

#080a0b

Tints

Color #303b3f mixed toward white.

#4d5e65

#6a828b

#8ea2a9

#b4c1c6

#d9e0e2

Tones

Color #303b3f mixed toward gray.

#313b3e

#333a3d

#34393b

#35393a

#363839

Accessibility

Aa White text on this color

11.52:1

Aa Black text on this color

1.82:1

White text reads better on this background (11.52:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#35353e · ΔE 7.9

Deuteranopia

#34343e · ΔE 8.4

Tritanopia

#313d3d · ΔE 2.9

Achromatopsia

#393939 · ΔE 5.7

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

Code

CSS

background-color: #303b3f;

Tailwind (arbitrary value)

bg-[#303b3f]

Related colors

Deep Sky Blue #00bfff

Light Blue #add8e6

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#303b3f (#303b3f) is rgb(48, 59, 63) in RGB.

No, #303b3f 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.

Try it →

Build something with this color

Generate a full palette from #303b3f, or check how it holds up for accessibility.

Generate a palette → Check contrast