#1f3142

Color #1f3142

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 10.24 Nearest Tailwind class gray-800 #1e2939 · ΔE 3.5

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Conversions

HEX

#1f3142

RGB

rgb(31, 49, 66)

HSL

hsl(209.1, 36.1%, 19%)

HSV / HSB

hsv(209.1, 53%, 25.9%)

CMYK

cmyk(53%, 25.8%, 0%, 74.1%)

LAB

lab(19.56, -1.74, -12.93)

LCH

lch(19.56, 13.05, 262.34)

OKLCH

oklch(30.6%, 0.0389, 247.79)

HWB

hwb(209.1, 12.2%, 74.1%)

Harmony colors

Complementary

#42301f

Analogous

#1f4241

#1f3142

#1f1f42

Triadic

#1f3142

#421f31

#31421f

Split-complementary

#1f3142

#421f1f

#42411f

Tetradic

#1f3142

#301f42

#42301f

#31421f

Square

#1f3142

#411f42

#42301f

#1f421f

Shades

Color #1f3142 mixed toward black.

#1a2937

#15212c

#0f1821

#0a1016

#05080b

Tints

Color #1f3142 mixed toward white.

#355471

#4b77a0

#7299bd

#a1bbd3

#d0dde9

Tones

Color #1f3142 mixed toward gray.

#22313f

#25313c

#283139

#2b3136

#2e3133

Accessibility

Aa White text on this color

13.32:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.32:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#28283e · ΔE 10

Deuteranopia

#27253d · ΔE 11.5

Tritanopia

#203b3b · ΔE 12.1

Achromatopsia

#2f2f2f · ΔE 10.2

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

Code

CSS

background-color: #1f3142;

Tailwind (arbitrary value)

bg-[#1f3142]

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

#1f3142 (#1f3142) is rgb(31, 49, 66) in RGB.

No, #1f3142 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 #1f3142, or check how it holds up for accessibility.

Generate a palette → Check contrast