#1b3752

Color #1b3752

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 13.37 Nearest Tailwind class sky-950 #052f4a · ΔE 3.3

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Conversions

HEX

#1b3752

RGB

rgb(27, 55, 82)

HSL

hsl(209.5, 50.5%, 21.4%)

HSV / HSB

hsv(209.5, 67.1%, 32.2%)

CMYK

cmyk(67.1%, 32.9%, 0%, 67.8%)

LAB

lab(22.21, -0.92, -19.58)

LCH

lch(22.21, 19.6, 267.31)

OKLCH

oklch(32.9%, 0.059, 249.26)

HWB

hwb(209.5, 10.6%, 67.8%)

Harmony colors

Complementary

#52361b

Analogous

#1b5252

#1b3752

#1b1b52

Triadic

#1b3752

#521b37

#37521b

Split-complementary

#1b3752

#521b1b

#52521b

Tetradic

#1b3752

#361b52

#52361b

#37521b

Square

#1b3752

#521b52

#52361b

#1b521b

Shades

Color #1b3752 mixed toward black.

#172e44

#122537

#0e1c29

#09121b

#05090e

Tints

Color #1b3752 mixed toward white.

#2c5984

#3c7ab7

#689ccd

#9abdde

#cddeee

Tones

Color #1b3752 mixed toward gray.

#20374e

#243749

#293744

#2d3740

#32373b

Accessibility

Aa White text on this color

12.25:1

Aa Black text on this color

1.71:1

White text reads better on this background (12.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a4c · ΔE 10.8

Deuteranopia

#28264b · ΔE 11.7

Tritanopia

#1d4847 · ΔE 17.4

Achromatopsia

#353535 · ΔE 13.6

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

Code

CSS

background-color: #1b3752;

Tailwind (arbitrary value)

bg-[#1b3752]

Related colors

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#1b3752 (#1b3752) is rgb(27, 55, 82) in RGB.

No, #1b3752 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 #1b3752, or check how it holds up for accessibility.

Generate a palette → Check contrast