#537381#537381

#537381 is a mid, muted cyan. Relative luminance 0.157; OKLCH L 53.6% C 0.043 H 226.8°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#537381
RGB	rgb(83, 115, 129)
HSL	hsl(198, 22%, 42%)
HSV	hsv(198, 36%, 51%)
CMYK	cmyk(35.7%, 10.9%, 0%, 49.4%)
CIE-LAB	lab(46.56, -7.75, -11.38)
CIE-LCH	lch(46.56, 13.77, 235.74°)
OKLab	oklab(53.62% -0.0293 -0.0312)
OKLCH	oklch(53.62% 0.043 226.8)
XYZ	xyz(13.6592, 15.6847, 23.0723)
Luminance	0.1568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537381 #816153

analogous

#538178 #537381 #535C81

triadic

#537381 #815373 #738153

tetradic

#537381 #785381 #816153 #5C8153

square

#537381 #785381 #816153 #5C8153

split-complementary

#537381 #81535C #817853

monochromatic

#233137 #3B525C #537381 #6F93A2 #94AFBA

Accessibility & contrast

On white

5.08

#537381 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#537381 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537381

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537381	#FFFFFF	#000000	##FFFFFF
##537381	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7182

Deuteranopia (green-blind)

#656C81

Tritanopia (blue-blind)

#437777

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #537381;
/* rgb */ color: rgb(83, 115, 129);
/* oklch */ color: oklch(53.6% 0.043 226.8);

Tailwind

colors: {
  custom: {
    50: '#859ba5',
    500: '#537381',
    950: '#000000',
  },
}

SCSS

$custom: #537381;
$custom-light: #859ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#537381",
  "rgb": {
    "r": 83,
    "g": 115,
    "b": 129
  },
  "hsl": {
    "h": 198.261,
    "s": 21.698,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53622,
    "c": 0.04278,
    "h": 226.8
  },
  "luminance": 0.15685
}

Semantic roles & 50–950 ramp

primary

#537381

secondary

#A89288

accent

#836ABE

background

#F8F9FA

surface

#EFF2F4

border

#CACCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #537381

Body copy rendered with the generated semantic roles for this colour.

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