#537C8A#537C8A

#537C8A is a mid, muted cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.050 H 221.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#537C8A
RGB	rgb(83, 124, 138)
HSL	hsl(195, 25%, 43%)
HSV	hsv(195, 40%, 54%)
CMYK	cmyk(39.9%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(49.60, -10.42, -12.11)
CIE-LCH	lch(49.60, 15.98, 229.28°)
OKLab	oklab(56.14% -0.0378 -0.0333)
OKLCH	oklch(56.14% 0.05 221.3)
XYZ	xyz(15.3608, 18.0883, 26.7218)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537C8A #8A6153

analogous

#538A7C #537C8A #53608A

triadic

#537C8A #8A537C #7C8A53

tetradic

#537C8A #7C538A #8A6153 #608A53

square

#537C8A #7C538A #8A6153 #608A53

split-complementary

#537C8A #8A5360 #8A7C53

monochromatic

#25373E #3C5A64 #537C8A #719BA9 #97B6C0

Accessibility & contrast

On white

4.55

#537C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#537C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537C8A

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537C8A	#FFFFFF	#000000	##000000
##537C8A	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8B

Deuteranopia (green-blind)

#6B738A

Tritanopia (blue-blind)

#3E8180

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #537c8a;
/* rgb */ color: rgb(83, 124, 138);
/* oklch */ color: oklch(56.1% 0.050 221.3);

Tailwind

colors: {
  custom: {
    50: '#86a2ac',
    500: '#537c8a',
    950: '#000000',
  },
}

SCSS

$custom: #537c8a;
$custom-light: #86a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#537c8a",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 195.273,
    "s": 24.887,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56144,
    "c": 0.05036,
    "h": 221.3
  },
  "luminance": 0.18089
}

Semantic roles & 50–950 ramp

primary

#537C8A

secondary

#AE948B

accent

#7E66C1

background

#F8F9FA

surface

#EFF2F4

border

#CACCCE

text

#0B0F10

muted

#7C7E7F

Preview Lab

Preview with #537C8A

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

Preview Lab → · Contrast checker → · Palette generator →