#537D8A#537D8A

#537D8A is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.051 H 219.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#537D8A
RGB	rgb(83, 125, 138)
HSL	hsl(194, 25%, 43%)
HSV	hsv(194, 40%, 54%)
CMYK	cmyk(39.9%, 9.4%, 0%, 45.9%)
CIE-LAB	lab(49.91, -10.99, -11.65)
CIE-LCH	lch(49.91, 16.01, 226.69°)
OKLab	oklab(56.39% -0.0391 -0.032)
OKLCH	oklch(56.39% 0.051 219.3)
XYZ	xyz(15.4867, 18.3402, 26.7638)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537D8A #8A6053

analogous

#538A7B #537D8A #53618A

triadic

#537D8A #8A537D #7D8A53

tetradic

#537D8A #7B538A #8A6053 #618A53

square

#537D8A #7B538A #8A6053 #618A53

split-complementary

#537D8A #8A5361 #8A7B53

monochromatic

#25383E #3C5A64 #537D8A #719CA9 #97B7C0

Accessibility & contrast

On white

4.50

#537D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#537D8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537D8A

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537D8A	#FFFFFF	#000000	##000000
##537D8A	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757B8B

Deuteranopia (green-blind)

#6C748A

Tritanopia (blue-blind)

#3E8281

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #537d8a;
/* rgb */ color: rgb(83, 125, 138);
/* oklch */ color: oklch(56.4% 0.051 219.3);

Tailwind

colors: {
  custom: {
    50: '#86a2ac',
    500: '#537d8a',
    950: '#000000',
  },
}

SCSS

$custom: #537d8a;
$custom-light: #86a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#537d8a",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 138
  },
  "hsl": {
    "h": 194.182,
    "s": 24.887,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56385,
    "c": 0.05056,
    "h": 219.3
  },
  "luminance": 0.18341
}

Semantic roles & 50–950 ramp

primary

#537D8A

secondary

#AE938B

accent

#7C66C1

background

#F8FAFA

surface

#EFF3F4

border

#CACDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #537D8A

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

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