#1b2833

Color #1b2833

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 13.05 Nearest Tailwind class gray-800 #1e2939 · ΔE 3.7

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Conversions

HEX

#1b2833

RGB

rgb(27, 40, 51)

HSL

hsl(207.5, 30.8%, 15.3%)

HSV / HSB

hsv(207.5, 47.1%, 20%)

CMYK

cmyk(47.1%, 21.6%, 0%, 80%)

LAB

lab(15.43, -2.01, -8.91)

LCH

lch(15.43, 9.13, 257.29)

OKLCH

oklch(27%, 0.0272, 244.56)

HWB

hwb(207.5, 10.6%, 80%)

Harmony colors

Complementary

#33261b

Analogous

#1b3332

#1b2833

#1b1c33

Triadic

#1b2833

#331b28

#28331b

Split-complementary

#1b2833

#331b1c

#33321b

Tetradic

#1b2833

#261b33

#33261b

#28331b

Square

#1b2833

#321b33

#33261b

#1c331b

Shades

Color #1b2833 mixed toward black.

#16212b

#121b22

#0d141a

#090d11

#040709

Tints

Color #1b2833 mixed toward white.

#344d62

#4d7291

#7296b4

#a1b9cd

#d0dce6

Tones

Color #1b2833 mixed toward gray.

#1d2831

#1f282f

#21282d

#23272b

#252729

Accessibility

Aa White text on this color

15.02:1

Aa Black text on this color

1.4:1

White text reads better on this background (15.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212131 · ΔE 8.8

Deuteranopia

#201f30 · ΔE 9.8

Tritanopia

#1c2f2e · ΔE 9.3

Achromatopsia

#272727 · ΔE 7.8

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

Code

CSS

background-color: #1b2833;

Tailwind (arbitrary value)

bg-[#1b2833]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#1b2833 (#1b2833) is rgb(27, 40, 51) in RGB.

No, #1b2833 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 #1b2833, or check how it holds up for accessibility.

Generate a palette → Check contrast