#303b44

Color #303b44

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 4.41 Nearest Tailwind class mist-700 #394447 · ΔE 4.7

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Conversions

HEX

#303b44

RGB

rgb(48, 59, 68)

HSL

hsl(207, 17.2%, 22.7%)

HSV / HSB

hsv(207, 29.4%, 26.7%)

CMYK

cmyk(29.4%, 13.2%, 0%, 73.3%)

LAB

lab(24.24, -2.08, -7.04)

LCH

lch(24.24, 7.34, 253.54)

OKLCH

oklch(34.6%, 0.0216, 242.96)

HWB

hwb(207, 18.8%, 73.3%)

Harmony colors

Complementary

#443930

Analogous

#304443

#303b44

#303144

Triadic

#303b44

#44303b

#3b4430

Split-complementary

#303b44

#443031

#444330

Tetradic

#303b44

#393044

#443930

#3b4430

Square

#303b44

#433044

#443930

#314430

Shades

Color #303b44 mixed toward black.

#283139

#20272d

#181d22

#101417

#080a0b

Tints

Color #303b44 mixed toward white.

#4b5c6a

#667e91

#8b9ead

#b2bec9

#d8dfe4

Tones

Color #303b44 mixed toward gray.

#323b42

#333b41

#353a3f

#373a3d

#383a3c

Accessibility

Aa White text on this color

11.45:1

Aa Black text on this color

1.83:1

White text reads better on this background (11.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353542 · ΔE 7.5

Deuteranopia

#343441 · ΔE 7.5

Tritanopia

#314040 · ΔE 6.7

Achromatopsia

#3a3a3a · ΔE 6.6

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

Code

CSS

background-color: #303b44;

Tailwind (arbitrary value)

bg-[#303b44]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Charcoal #36454f

Light Slate Gray #778899

Slate Gray #708090

Frequently asked questions

#303b44 (#303b44) is rgb(48, 59, 68) in RGB.

No, #303b44 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.

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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 #303b44, or check how it holds up for accessibility.

Generate a palette → Check contrast