#131c2f

Color #131c2f

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 17.58 Nearest Tailwind class gray-900 #101828 · ΔE 1.8

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Conversions

HEX

#131c2f

RGB

rgb(19, 28, 47)

HSL

hsl(220.7, 42.4%, 12.9%)

HSV / HSB

hsv(220.7, 59.6%, 18.4%)

CMYK

cmyk(59.6%, 40.4%, 0%, 81.6%)

LAB

lab(10.37, 2.68, -13.94)

LCH

lch(10.37, 14.2, 280.88)

OKLCH

oklch(22.8%, 0.0394, 264.17)

HWB

hwb(220.7, 7.5%, 81.6%)

Harmony colors

Complementary

#2f2613

Analogous

#132a2f

#131c2f

#18132f

Triadic

#131c2f

#2f131c

#1c2f13

Split-complementary

#131c2f

#2f1813

#2a2f13

Tetradic

#131c2f

#26132f

#2f2613

#1c2f13

Square

#131c2f

#2f132a

#2f2613

#132f18

Shades

Color #131c2f mixed toward black.

#101727

#0d131f

#090e17

#060910

#030508

Tints

Color #131c2f mixed toward white.

#283b64

#3e5b98

#617fbf

#96aad4

#cad4ea

Tones

Color #131c2f mixed toward gray.

#151d2d

#181e2a

#1a1e28

#1c1f26

#1f2023

Accessibility

Aa White text on this color

17.01:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#17172b · ΔE 4.6

Deuteranopia

#17162a · ΔE 5.2

Tritanopia

#142827 · ΔE 15.6

Achromatopsia

#1c1c1c · ΔE 10.9

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

Code

CSS

background-color: #131c2f;

Tailwind (arbitrary value)

bg-[#131c2f]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#131c2f (#131c2f) is rgb(19, 28, 47) in RGB.

No, #131c2f 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 #131c2f, or check how it holds up for accessibility.

Generate a palette → Check contrast