#1f3039

Color #1f3039

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 9.63 Nearest Tailwind class mist-800 #22292b · ΔE 5.1

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Conversions

HEX

#1f3039

RGB

rgb(31, 48, 57)

HSL

hsl(200.8, 29.5%, 17.3%)

HSV / HSB

hsv(200.8, 45.6%, 22.4%)

CMYK

cmyk(45.6%, 15.8%, 0%, 77.6%)

LAB

lab(18.8, -4.13, -7.93)

LCH

lch(18.8, 8.94, 242.49)

OKLCH

oklch(29.8%, 0.0277, 231.89)

HWB

hwb(200.8, 12.2%, 77.6%)

Harmony colors

Complementary

#39281f

Analogous

#1f3935

#1f3039

#1f2339

Triadic

#1f3039

#391f30

#30391f

Split-complementary

#1f3039

#391f23

#39351f

Tetradic

#1f3039

#281f39

#39281f

#30391f

Square

#1f3039

#351f39

#39281f

#23391f

Shades

Color #1f3039 mixed toward black.

#1a2830

#152026

#10181d

#0a1013

#05080a

Tints

Color #1f3039 mixed toward white.

#385667

#517d94

#769fb5

#a4bfcd

#d1dfe6

Tones

Color #1f3039 mixed toward gray.

#212f37

#232f35

#262e33

#282d30

#2a2d2e

Accessibility

Aa White text on this color

13.64:1

Aa Black text on this color

1.54:1

White text reads better on this background (13.64:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272737 · ΔE 11.3

Deuteranopia

#262536 · ΔE 12.3

Tritanopia

#203535 · ΔE 6.7

Achromatopsia

#2e2e2e · ΔE 8.2

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

Code

CSS

background-color: #1f3039;

Tailwind (arbitrary value)

bg-[#1f3039]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#1f3039 (#1f3039) is rgb(31, 48, 57) in RGB.

No, #1f3039 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 #1f3039, or check how it holds up for accessibility.

Generate a palette → Check contrast