#1b2b52

Color #1b2b52

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 23.27 Nearest Tailwind class blue-950 #162456 · ΔE 3.2

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Conversions

HEX

#1b2b52

RGB

rgb(27, 43, 82)

HSL

hsl(222.5, 50.5%, 21.4%)

HSV / HSB

hsv(222.5, 67.1%, 32.2%)

CMYK

cmyk(67.1%, 47.6%, 0%, 67.8%)

LAB

lab(18.23, 7.58, -25.88)

LCH

lch(18.23, 26.97, 286.32)

OKLCH

oklch(29.8%, 0.074, 265.35)

HWB

hwb(222.5, 10.6%, 67.8%)

Harmony colors

Complementary

#52421b

Analogous

#1b4752

#1b2b52

#261b52

Triadic

#1b2b52

#521b2b

#2b521b

Split-complementary

#1b2b52

#52261b

#47521b

Tetradic

#1b2b52

#421b52

#52421b

#2b521b

Square

#1b2b52

#521b47

#52421b

#1b5226

Shades

Color #1b2b52 mixed toward black.

#172444

#121d37

#0e1629

#090e1b

#05070e

Tints

Color #1b2b52 mixed toward white.

#2c4584

#3c60b7

#6886cd

#9aaede

#cdd7ee

Tones

Color #1b2b52 mixed toward gray.

#202d4e

#242f49

#293144

#2d3340

#32353b

Accessibility

Aa White text on this color

13.87:1

Aa Black text on this color

1.51:1

White text reads better on this background (13.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#23234b · ΔE 4.8

Deuteranopia

#222149 · ΔE 5.3

Tritanopia

#1c4443 · ΔE 23.1

Achromatopsia

#2c2c2c · ΔE 17.2

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

Code

CSS

background-color: #1b2b52;

Tailwind (arbitrary value)

bg-[#1b2b52]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1b2b52 (#1b2b52) is rgb(27, 43, 82) in RGB.

No, #1b2b52 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 #1b2b52, or check how it holds up for accessibility.

Generate a palette → Check contrast