#21545a

Color #21545a

A moderately saturated dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 6 Nearest Tailwind class teal-900 #0b4f4a · ΔE 6.8

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Conversions

HEX

#21545a

RGB

rgb(33, 84, 90)

HSL

hsl(186.3, 46.3%, 24.1%)

HSV / HSB

hsv(186.3, 63.3%, 35.3%)

CMYK

cmyk(63.3%, 6.7%, 0%, 64.7%)

LAB

lab(32.7, -14.88, -8.61)

LCH

lch(32.7, 17.19, 210.05)

OKLCH

oklch(41.4%, 0.0547, 205.77)

HWB

hwb(186.3, 12.9%, 64.7%)

Harmony colors

Complementary

#5a2721

Analogous

#215a43

#21545a

#21375a

Triadic

#21545a

#5a2154

#545a21

Split-complementary

#21545a

#5a2137

#5a4321

Tetradic

#21545a

#27215a

#5a2721

#545a21

Square

#21545a

#43215a

#5a2721

#375a21

Shades

Color #21545a mixed toward black.

#1c464b

#16383c

#112a2d

#0b1c1e

#060e0f

Tints

Color #21545a mixed toward white.

#328089

#44acb8

#71c2cb

#a1d6dc

#d0ebee

Tones

Color #21545a mixed toward gray.

#265055

#2a4c50

#2f494c

#344547

#394142

Accessibility

Aa White text on this color

8.47:1

Aa Black text on this color

2.48:1

White text reads better on this background (8.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3e59 · ΔE 22.3

Deuteranopia

#3a3658 · ΔE 25

Tritanopia

#255757 · ΔE 3.2

Achromatopsia

#4d4d4d · ΔE 15.5

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

Code

CSS

background-color: #21545a;

Tailwind (arbitrary value)

bg-[#21545a]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#21545a (#21545a) is rgb(33, 84, 90) in RGB.

No, #21545a 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 #21545a, or check how it holds up for accessibility.

Generate a palette → Check contrast