#537F8A#537F8A

#537F8A is a mid, muted cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.051 H 215.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#537F8A
RGB	rgb(83, 127, 138)
HSL	hsl(192, 25%, 43%)
HSV	hsv(192, 40%, 54%)
CMYK	cmyk(39.9%, 8%, 0%, 45.9%)
CIE-LAB	lab(50.51, -12.11, -10.74)
CIE-LCH	lch(50.51, 16.18, 221.57°)
OKLab	oklab(56.87% -0.0418 -0.0295)
OKLCH	oklch(56.87% 0.051 215.2)
XYZ	xyz(15.7425, 18.8517, 26.8490)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537F8A #8A5E53

analogous

#538A79 #537F8A #53638A

triadic

#537F8A #8A537F #7F8A53

tetradic

#537F8A #79538A #8A5E53 #638A53

square

#537F8A #79538A #8A5E53 #638A53

split-complementary

#537F8A #8A5363 #8A7953

monochromatic

#25393E #3C5C64 #537F8A #719EA9 #97B8C0

Accessibility & contrast

On white

4.40

#537F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#537F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537F8A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537F8A	#FFFFFF	#000000	##000000
##537F8A	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777C8B

Deuteranopia (green-blind)

#6E758A

Tritanopia (blue-blind)

#3D8382

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #537f8a;
/* rgb */ color: rgb(83, 127, 138);
/* oklch */ color: oklch(56.9% 0.051 215.2);

Tailwind

colors: {
  custom: {
    50: '#86a4ac',
    500: '#537f8a',
    950: '#000000',
  },
}

SCSS

$custom: #537f8a;
$custom-light: #86a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#537f8a",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 138
  },
  "hsl": {
    "h": 192,
    "s": 24.887,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56869,
    "c": 0.05114,
    "h": 215.2
  },
  "luminance": 0.18853
}

Semantic roles & 50–950 ramp

primary

#537F8A

secondary

#AE928B

accent

#7966C1

background

#F8FAFA

surface

#EFF4F4

border

#CACECE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #537F8A

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

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