#537A8A#537A8A

#537A8A is a mid, muted cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.050 H 225.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#537A8A
RGB	rgb(83, 122, 138)
HSL	hsl(197, 25%, 43%)
HSV	hsv(197, 40%, 54%)
CMYK	cmyk(39.9%, 11.6%, 0%, 45.9%)
CIE-LAB	lab(49.00, -9.29, -13.02)
CIE-LCH	lch(49.00, 15.99, 234.51°)
OKLab	oklab(55.66% -0.0351 -0.0358)
OKLCH	oklch(55.66% 0.05 225.5)
XYZ	xyz(15.1127, 17.5921, 26.6391)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537A8A #8A6353

analogous

#538A7E #537A8A #535E8A

triadic

#537A8A #8A537A #7A8A53

tetradic

#537A8A #7E538A #8A6353 #5E8A53

square

#537A8A #7E538A #8A6353 #5E8A53

split-complementary

#537A8A #8A535E #8A7E53

monochromatic

#25363E #3C5864 #537A8A #7199A9 #97B4C0

Accessibility & contrast

On white

4.65

#537A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#537A8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #537A8A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537A8A	#FFFFFF	#000000	##FFFFFF
##537A8A	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788B

Deuteranopia (green-blind)

#69728A

Tritanopia (blue-blind)

#3E7F7F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #537a8a;
/* rgb */ color: rgb(83, 122, 138);
/* oklch */ color: oklch(55.7% 0.050 225.5);

Tailwind

colors: {
  custom: {
    50: '#86a0ac',
    500: '#537a8a',
    950: '#000000',
  },
}

SCSS

$custom: #537a8a;
$custom-light: #86a0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#537a8a",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 138
  },
  "hsl": {
    "h": 197.455,
    "s": 24.887,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55663,
    "c": 0.05017,
    "h": 225.5
  },
  "luminance": 0.17593
}

Semantic roles & 50–950 ramp

primary

#537A8A

secondary

#AE958B

accent

#8166C1

background

#F8F9FA

surface

#EFF2F4

border

#CACCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #537A8A

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

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