#303b4a

Color #303b4a

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 5.58 Nearest Tailwind class gray-700 #364153 · ΔE 2.5

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

Conversions

HEX

#303b4a

RGB

rgb(48, 59, 74)

HSL

hsl(214.6, 21.3%, 23.9%)

HSV / HSB

hsv(214.6, 35.1%, 29%)

CMYK

cmyk(35.1%, 20.3%, 0%, 71%)

LAB

lab(24.48, -0.31, -10.65)

LCH

lch(24.48, 10.65, 268.33)

OKLCH

oklch(34.9%, 0.0302, 256.19)

HWB

hwb(214.6, 18.8%, 71%)

Harmony colors

Complementary

#4a3f30

Analogous

#30484a

#303b4a

#32304a

Triadic

#303b4a

#4a303b

#3b4a30

Split-complementary

#303b4a

#4a3230

#484a30

Tetradic

#303b4a

#3f304a

#4a3f30

#3b4a30

Square

#303b4a

#4a3048

#4a3f30

#304a32

Shades

Color #303b4a mixed toward black.

#28313e

#202731

#181d25

#101419

#080a0c

Tints

Color #303b4a mixed toward white.

#495a71

#637a98

#899bb3

#b1bccc

#d8dee6

Tones

Color #303b4a mixed toward gray.

#323b48

#343c46

#363c43

#393c41

#3b3d3f

Accessibility

Aa White text on this color

11.35:1

Aa Black text on this color

1.85:1

White text reads better on this background (11.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353547 · ΔE 6.7

Deuteranopia

#343446 · ΔE 6.7

Tritanopia

#314443 · ΔE 11.4

Achromatopsia

#3a3a3a · ΔE 8.6

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

Code

CSS

background-color: #303b4a;

Tailwind (arbitrary value)

bg-[#303b4a]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#303b4a (#303b4a) is rgb(48, 59, 74) in RGB.

No, #303b4a 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 #303b4a, or check how it holds up for accessibility.

Generate a palette → Check contrast