#537AAB#537AAB

#537AAB is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.088 H 254.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#537AAB
RGB	rgb(83, 122, 171)
HSL	hsl(213, 35%, 50%)
HSV	hsv(213, 51%, 67%)
CMYK	cmyk(51.5%, 28.7%, 0%, 32.9%)
CIE-LAB	lab(50.33, 0.56, -30.28)
CIE-LCH	lch(50.33, 30.28, 271.05°)
OKLab	oklab(57.16% -0.0233 -0.0849)
OKLCH	oklch(57.16% 0.088 254.7)
XYZ	xyz(17.8750, 18.6970, 41.1871)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AAB #AB8453

analogous

#53A6AB #537AAB #5853AB

triadic

#537AAB #AB537A #7AAB53

tetradic

#537AAB #AB53A6 #AB8453 #53AB58

square

#537AAB #AB53A6 #AB8453 #53AB58

split-complementary

#537AAB #AB5853 #A6AB53

monochromatic

#2B3F59 #3F5D82 #537AAB #7C9ABF #A5BAD3

Accessibility & contrast

On white

4.43

#537AAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#537AAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AAB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AAB	#FFFFFF	#000000	##000000
##537AAB	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677DAD

Deuteranopia (green-blind)

#5C74AA

Tritanopia (blue-blind)

#28858B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #537aab;
/* rgb */ color: rgb(83, 122, 171);
/* oklch */ color: oklch(57.2% 0.088 254.7);

Tailwind

colors: {
  custom: {
    50: '#89a0c4',
    500: '#537aab',
    950: '#000000',
  },
}

SCSS

$custom: #537aab;
$custom-light: #89a0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#537aab",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 171
  },
  "hsl": {
    "h": 213.409,
    "s": 34.646,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57155,
    "c": 0.08804,
    "h": 254.7
  },
  "luminance": 0.18698
}

Semantic roles & 50–950 ramp

primary

#537AAB

secondary

#C1AF99

accent

#9A5DCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #537AAB

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

Preview Lab → · Contrast checker → · Palette generator →