#537e81

Color #537e81

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 12.65 Nearest Tailwind class mist-500 #67787c · ΔE 7.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#537e81

RGB

rgb(83, 126, 129)

HSL

hsl(183.9, 21.7%, 41.6%)

HSV / HSB

hsv(183.9, 35.7%, 50.6%)

CMYK

cmyk(35.7%, 2.3%, 0%, 49.4%)

LAB

lab(49.91, -13.97, -6.35)

LCH

lch(49.91, 15.35, 204.44)

OKLCH

oklch(56.3%, 0.0476, 201.44)

HWB

hwb(183.9, 32.5%, 49.4%)

Harmony colors

Complementary

#815653

Analogous

#53816d

#537e81

#536781

Triadic

#537e81

#81537e

#7e8153

Split-complementary

#537e81

#815367

#816d53

Tetradic

#537e81

#565381

#815653

#7e8153

Square

#537e81

#6d5381

#815653

#678153

Shades

Color #537e81 mixed toward black.

#45696c

#375456

#2a3f41

#1c2a2b

#0e1516

Tints

Color #537e81 mixed toward white.

#689a9e

#86aeb1

#a4c3c5

#c3d7d8

#e1ebec

Tones

Color #537e81 mixed toward gray.

#577b7d

#5b7779

#5f7476

#627172

#666d6e

Accessibility

Aa White text on this color

4.5:1

Aa Black text on this color

4.67:1

Black text reads better on this background (4.67:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686980 · ΔE 20.7

Deuteranopia

#666280 · ΔE 24.2

Tritanopia

#568080 · ΔE 1.6

Achromatopsia

#777777 · ΔE 14.6

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

Code

CSS

background-color: #537e81;

Tailwind (arbitrary value)

bg-[#537e81]

Related colors

Cadet Blue #5f9ea0

Powder Blue #b0e0e6

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#537e81 (#537e81) is rgb(83, 126, 129) in RGB.

No, #537e81 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #537e81, or check how it holds up for accessibility.

Generate a palette → Check contrast