#303d52

Color #303d52

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 8.16 Nearest Tailwind class slate-700 #314158 · ΔE 1.6

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

Conversions

HEX

#303d52

RGB

rgb(48, 61, 82)

HSL

hsl(217.1, 26.2%, 25.5%)

HSV / HSB

hsv(217.1, 41.5%, 32.2%)

CMYK

cmyk(41.5%, 25.6%, 0%, 67.8%)

LAB

lab(25.49, 0.85, -14.39)

LCH

lch(25.49, 14.42, 273.38)

OKLCH

oklch(35.8%, 0.0405, 259.77)

HWB

hwb(217.1, 18.8%, 67.8%)

Harmony colors

Complementary

#524530

Analogous

#304e52

#303d52

#343052

Triadic

#303d52

#52303d

#3d5230

Split-complementary

#303d52

#523430

#4e5230

Tetradic

#303d52

#453052

#524530

#3d5230

Square

#303d52

#52304e

#524530

#305234

Shades

Color #303d52 mixed toward black.

#283344

#202937

#181e29

#10141b

#080a0e

Tints

Color #303d52 mixed toward white.

#475b7a

#5f78a2

#879ab9

#afbcd0

#d7dde8

Tones

Color #303d52 mixed toward gray.

#333e4f

#363e4c

#393f4a

#3b4047

#3e4044

Accessibility

Aa White text on this color

10.97:1

Aa Black text on this color

1.92:1

White text reads better on this background (10.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#36364e · ΔE 6.8

Deuteranopia

#35344c · ΔE 7.4

Tritanopia

#314a49 · ΔE 14.9

Achromatopsia

#3c3c3c · ΔE 10.9

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

Code

CSS

background-color: #303d52;

Tailwind (arbitrary value)

bg-[#303d52]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#303d52 (#303d52) is rgb(48, 61, 82) in RGB.

No, #303d52 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.

Try it →

Build something with this color

Generate a full palette from #303d52, or check how it holds up for accessibility.

Generate a palette → Check contrast