#1b4052

Color #1b4052

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 8.34 Nearest Tailwind class cyan-950 #053345 · ΔE 4.2

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Conversions

HEX

#1b4052

RGB

rgb(27, 64, 82)

HSL

hsl(199.6, 50.5%, 21.4%)

HSV / HSB

hsv(199.6, 67.1%, 32.2%)

CMYK

cmyk(67.1%, 22%, 0%, 67.8%)

LAB

lab(25.29, -6.87, -14.8)

LCH

lch(25.29, 16.32, 245.1)

OKLCH

oklch(35.3%, 0.0525, 232.04)

HWB

hwb(199.6, 10.6%, 67.8%)

Harmony colors

Complementary

#522d1b

Analogous

#1b5249

#1b4052

#1b2552

Triadic

#1b4052

#521b40

#40521b

Split-complementary

#1b4052

#521b25

#52491b

Tetradic

#1b4052

#2d1b52

#522d1b

#40521b

Square

#1b4052

#491b52

#522d1b

#25521b

Shades

Color #1b4052 mixed toward black.

#173544

#122b37

#0e2029

#09151b

#050b0e

Tints

Color #1b4052 mixed toward white.

#2c6784

#3c8fb7

#68accd

#9ac8de

#cde3ee

Tones

Color #1b4052 mixed toward gray.

#203f4e

#243d49

#293b44

#2d3a40

#32383b

Accessibility

Aa White text on this color

11.04:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f4e · ΔE 16.6

Deuteranopia

#2d2a4d · ΔE 17.9

Tritanopia

#1e4b4a · ΔE 11.8

Achromatopsia

#3c3c3c · ΔE 12.8

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

Code

CSS

background-color: #1b4052;

Tailwind (arbitrary value)

bg-[#1b4052]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#1b4052 (#1b4052) is rgb(27, 64, 82) in RGB.

No, #1b4052 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 #1b4052, or check how it holds up for accessibility.

Generate a palette → Check contrast