#303e55

Color #303e55

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 9.18 Nearest Tailwind class slate-700 #314158 · ΔE 1.2

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Conversions

HEX

#303e55

RGB

rgb(48, 62, 85)

HSL

hsl(217.3, 27.8%, 26.1%)

HSV / HSB

hsv(217.3, 43.5%, 33.3%)

CMYK

cmyk(43.5%, 27.1%, 0%, 66.7%)

LAB

lab(25.95, 1.14, -15.64)

LCH

lch(25.95, 15.68, 274.17)

OKLCH

oklch(36.2%, 0.0442, 260.09)

HWB

hwb(217.3, 18.8%, 66.7%)

Harmony colors

Complementary

#554730

Analogous

#305155

#303e55

#353055

Triadic

#303e55

#55303e

#3e5530

Split-complementary

#303e55

#553530

#515530

Tetradic

#303e55

#473055

#554730

#3e5530

Square

#303e55

#553051

#554730

#305535

Shades

Color #303e55 mixed toward black.

#283447

#202939

#181f2b

#10151c

#080a0e

Tints

Color #303e55 mixed toward white.

#475b7d

#5e79a4

#879abb

#afbcd2

#d7dde8

Tones

Color #303e55 mixed toward gray.

#333f52

#36404f

#39404c

#3c4149

#3f4246

Accessibility

Aa White text on this color

10.79:1

Aa Black text on this color

1.95:1

White text reads better on this background (10.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#373750 · ΔE 6.8

Deuteranopia

#36354f · ΔE 7.5

Tritanopia

#314c4b · ΔE 15.8

Achromatopsia

#3d3d3d · ΔE 11.6

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

Code

CSS

background-color: #303e55;

Tailwind (arbitrary value)

bg-[#303e55]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#303e55 (#303e55) is rgb(48, 62, 85) in RGB.

No, #303e55 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.

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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 #303e55, or check how it holds up for accessibility.

Generate a palette → Check contrast