#1f2b43

Color #1f2b43

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 15.19 Nearest Tailwind class slate-800 #1d293d · ΔE 2

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Conversions

HEX

#1f2b43

RGB

rgb(31, 43, 67)

HSL

hsl(220, 36.7%, 19.2%)

HSV / HSB

hsv(220, 53.7%, 26.3%)

CMYK

cmyk(53.7%, 35.8%, 0%, 73.7%)

LAB

lab(17.57, 2.83, -16.71)

LCH

lch(17.57, 16.95, 279.61)

OKLCH

oklch(29%, 0.0472, 263.43)

HWB

hwb(220, 12.2%, 73.7%)

Harmony colors

Complementary

#43371f

Analogous

#1f3d43

#1f2b43

#251f43

Triadic

#1f2b43

#431f2b

#2b431f

Split-complementary

#1f2b43

#43251f

#3d431f

Tetradic

#1f2b43

#371f43

#43371f

#2b431f

Square

#1f2b43

#431f3d

#43371f

#1f4325

Shades

Color #1f2b43 mixed toward black.

#1a2438

#151d2d

#0f1521

#0a0e16

#05070b

Tints

Color #1f2b43 mixed toward white.

#354972

#4a67a1

#728bbe

#a1b2d4

#d0d8e9

Tones

Color #1f2b43 mixed toward gray.

#222c40

#252d3d

#282e3a

#2b2f37

#2e3034

Accessibility

Aa White text on this color

14.14:1

Aa Black text on this color

1.48:1

White text reads better on this background (14.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#25253e · ΔE 5.5

Deuteranopia

#24233d · ΔE 6.2

Tritanopia

#203a39 · ΔE 17.4

Achromatopsia

#2b2b2b · ΔE 12.4

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

Code

CSS

background-color: #1f2b43;

Tailwind (arbitrary value)

bg-[#1f2b43]

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

#1f2b43 (#1f2b43) is rgb(31, 43, 67) in RGB.

No, #1f2b43 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 #1f2b43, or check how it holds up for accessibility.

Generate a palette → Check contrast