#1b4e55

Color #1b4e55

A moderately saturated dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 6.12 Nearest Tailwind class cyan-900 #104e64 · ΔE 7

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Conversions

HEX

#1b4e55

RGB

rgb(27, 78, 85)

HSL

hsl(187.2, 51.8%, 22%)

HSV / HSB

hsv(187.2, 68.2%, 33.3%)

CMYK

cmyk(68.2%, 8.2%, 0%, 66.7%)

LAB

lab(30.25, -14.33, -9.16)

LCH

lch(30.25, 17.01, 212.59)

OKLCH

oklch(39.3%, 0.0546, 207.74)

HWB

hwb(187.2, 10.6%, 66.7%)

Harmony colors

Complementary

#55221b

Analogous

#1b553f

#1b4e55

#1b3155

Triadic

#1b4e55

#551b4e

#4e551b

Split-complementary

#1b4e55

#551b31

#553f1b

Tetradic

#1b4e55

#221b55

#55221b

#4e551b

Square

#1b4e55

#3f1b55

#55221b

#31551b

Shades

Color #1b4e55 mixed toward black.

#174147

#123439

#0e272b

#091a1c

#050d0e

Tints

Color #1b4e55 mixed toward white.

#2b7c87

#3babba

#68c3cf

#9ad7df

#cdebef

Tones

Color #1b4e55 mixed toward gray.

#204b50

#25474b

#2a4347

#2e3f42

#333c3d

Accessibility

Aa White text on this color

9.26:1

Aa Black text on this color

2.27:1

White text reads better on this background (9.26:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#383853 · ΔE 22.4

Deuteranopia

#353153 · ΔE 24.6

Tritanopia

#205252 · ΔE 3.9

Achromatopsia

#474747 · ΔE 15.2

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

Code

CSS

background-color: #1b4e55;

Tailwind (arbitrary value)

bg-[#1b4e55]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#1b4e55 (#1b4e55) is rgb(27, 78, 85) in RGB.

No, #1b4e55 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

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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 #1b4e55, or check how it holds up for accessibility.

Generate a palette → Check contrast