#1b4353

Color #1b4353

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 8.04 Nearest Tailwind class cyan-900 #104e64 · ΔE 4.2

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Conversions

HEX

#1b4353

RGB

rgb(27, 67, 83)

HSL

hsl(197.1, 50.9%, 21.6%)

HSV / HSB

hsv(197.1, 67.5%, 32.5%)

CMYK

cmyk(67.5%, 19.3%, 0%, 67.5%)

LAB

lab(26.37, -8.4, -13.79)

LCH

lch(26.37, 16.15, 238.65)

OKLCH

oklch(36.2%, 0.0524, 227.24)

HWB

hwb(197.1, 10.6%, 67.5%)

Harmony colors

Complementary

#532b1b

Analogous

#1b5347

#1b4353

#1b2753

Triadic

#1b4353

#531b43

#43531b

Split-complementary

#1b4353

#531b27

#53471b

Tetradic

#1b4353

#2b1b53

#532b1b

#43531b

Square

#1b4353

#471b53

#532b1b

#27531b

Shades

Color #1b4353 mixed toward black.

#173845

#122d37

#0e222a

#09161c

#050b0e

Tints

Color #1b4353 mixed toward white.

#2b6c85

#3c94b8

#68b1ce

#9acbde

#cde5ef

Tones

Color #1b4353 mixed toward gray.

#20414e

#243f4a

#293d45

#2e3b40

#32393c

Accessibility

Aa White text on this color

10.64:1

Aa Black text on this color

1.97:1

White text reads better on this background (10.64:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#31314f · ΔE 18

Deuteranopia

#2f2b4f · ΔE 19.5

Tritanopia

#1e4d4c · ΔE 10.5

Achromatopsia

#3e3e3e · ΔE 13.1

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

Code

CSS

background-color: #1b4353;

Tailwind (arbitrary value)

bg-[#1b4353]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#1b4353 (#1b4353) is rgb(27, 67, 83) in RGB.

No, #1b4353 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 #1b4353, or check how it holds up for accessibility.

Generate a palette → Check contrast