#1b2b44

Color #1b2b44

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 15.67 Nearest Tailwind class slate-800 #1d293d · ΔE 2.1

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Conversions

HEX

#1b2b44

RGB

rgb(27, 43, 68)

HSL

hsl(216.6, 43.2%, 18.6%)

HSV / HSB

hsv(216.6, 60.3%, 26.7%)

CMYK

cmyk(60.3%, 36.8%, 0%, 73.3%)

LAB

lab(17.36, 2.06, -17.75)

LCH

lch(17.36, 17.87, 276.62)

OKLCH

oklch(28.8%, 0.0509, 259.02)

HWB

hwb(216.6, 10.6%, 73.3%)

Harmony colors

Complementary

#44341b

Analogous

#1b3f44

#1b2b44

#1f1b44

Triadic

#1b2b44

#441b2b

#2b441b

Split-complementary

#1b2b44

#441f1b

#3f441b

Tetradic

#1b2b44

#341b44

#44341b

#2b441b

Square

#1b2b44

#441b3f

#44341b

#1b441f

Shades

Color #1b2b44 mixed toward black.

#162439

#121d2d

#0d1522

#090e17

#04070b

Tints

Color #1b2b44 mixed toward white.

#2f4a75

#426aa7

#6a8dc4

#9cb3d8

#cdd9eb

Tones

Color #1b2b44 mixed toward gray.

#1e2c41

#222c3d

#252d3a

#292e36

#2c2f33

Accessibility

Aa White text on this color

14.23:1

Aa Black text on this color

1.48:1

White text reads better on this background (14.23:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#23233f · ΔE 7.1

Deuteranopia

#22213e · ΔE 7.7

Tritanopia

#1c3b3a · ΔE 17.7

Achromatopsia

#2b2b2b · ΔE 12.8

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

Code

CSS

background-color: #1b2b44;

Tailwind (arbitrary value)

bg-[#1b2b44]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1b2b44 (#1b2b44) is rgb(27, 43, 68) in RGB.

No, #1b2b44 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 #1b2b44, or check how it holds up for accessibility.

Generate a palette → Check contrast