#1b2633

Color #1b2633

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 14.08 Nearest Tailwind class gray-800 #1e2939 · ΔE 2

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Conversions

HEX

#1b2633

RGB

rgb(27, 38, 51)

HSL

hsl(212.5, 30.8%, 15.3%)

HSV / HSB

hsv(212.5, 47.1%, 20%)

CMYK

cmyk(47.1%, 25.5%, 0%, 80%)

LAB

lab(14.72, -0.59, -10)

LCH

lch(14.72, 10.02, 266.62)

OKLCH

oklch(26.5%, 0.029, 252.94)

HWB

hwb(212.5, 10.6%, 80%)

Harmony colors

Complementary

#33281b

Analogous

#1b3233

#1b2633

#1c1b33

Triadic

#1b2633

#331b26

#26331b

Split-complementary

#1b2633

#331c1b

#32331b

Tetradic

#1b2633

#281b33

#33281b

#26331b

Square

#1b2633

#331b32

#33281b

#1b331c

Shades

Color #1b2633 mixed toward black.

#16202b

#121922

#0d131a

#090d11

#040609

Tints

Color #1b2633 mixed toward white.

#344962

#4d6c91

#7290b4

#a1b5cd

#d0dae6

Tones

Color #1b2633 mixed toward gray.

#1d2631

#1f262f

#21272d

#23272b

#252729

Accessibility

Aa White text on this color

15.31:1

Aa Black text on this color

1.37:1

White text reads better on this background (15.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202030 · ΔE 7

Deuteranopia

#201f2f · ΔE 7.6

Tritanopia

#1c2e2d · ΔE 10.8

Achromatopsia

#252525 · ΔE 8.2

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

Code

CSS

background-color: #1b2633;

Tailwind (arbitrary value)

bg-[#1b2633]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#1b2633 (#1b2633) is rgb(27, 38, 51) in RGB.

No, #1b2633 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 #1b2633, or check how it holds up for accessibility.

Generate a palette → Check contrast