#1f2a3b

Color #1f2a3b

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 13 Nearest Tailwind class gray-800 #1e2939 · ΔE 0.6

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Conversions

HEX

#1f2a3b

RGB

rgb(31, 42, 59)

HSL

hsl(216.4, 31.1%, 17.6%)

HSV / HSB

hsv(216.4, 47.5%, 23.1%)

CMYK

cmyk(47.5%, 28.8%, 0%, 76.9%)

LAB

lab(16.81, 0.68, -12.37)

LCH

lch(16.81, 12.39, 273.15)

OKLCH

oklch(28.3%, 0.035, 258.98)

HWB

hwb(216.4, 12.2%, 76.9%)

Harmony colors

Complementary

#3b301f

Analogous

#1f383b

#1f2a3b

#221f3b

Triadic

#1f2a3b

#3b1f2a

#2a3b1f

Split-complementary

#1f2a3b

#3b221f

#383b1f

Tetradic

#1f2a3b

#301f3b

#3b301f

#2a3b1f

Square

#1f2a3b

#3b1f38

#3b301f

#1f3b22

Shades

Color #1f2a3b mixed toward black.

#1a2331

#151c27

#0f151d

#0a0e14

#05070a

Tints

Color #1f2a3b mixed toward white.

#374b69

#4f6b97

#758fb7

#a3b4cf

#d1dae7

Tones

Color #1f2a3b mixed toward gray.

#212a39

#242b36

#262b34

#282c32

#2b2c2f

Accessibility

Aa White text on this color

14.46:1

Aa Black text on this color

1.45:1

White text reads better on this background (14.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#242437 · ΔE 6.2

Deuteranopia

#242337 · ΔE 7

Tritanopia

#203434 · ΔE 12.7

Achromatopsia

#292929 · ΔE 9.7

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

Code

CSS

background-color: #1f2a3b;

Tailwind (arbitrary value)

bg-[#1f2a3b]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1f2a3b (#1f2a3b) is rgb(31, 42, 59) in RGB.

No, #1f2a3b 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

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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 #1f2a3b, or check how it holds up for accessibility.

Generate a palette → Check contrast