#537EAF#537EAF

#537EAF is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.090 H 252.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#537EAF
RGB	rgb(83, 126, 175)
HSL	hsl(212, 37%, 51%)
HSV	hsv(212, 53%, 69%)
CMYK	cmyk(52.6%, 28%, 0%, 31.4%)
CIE-LAB	lab(51.67, -0.56, -30.50)
CIE-LCH	lch(51.67, 30.51, 268.96°)
OKLab	oklab(58.27% -0.0269 -0.0855)
OKLCH	oklch(58.27% 0.09 252.5)
XYZ	xyz(18.7633, 19.8544, 43.3927)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EAF #AF8453

analogous

#53ACAF #537EAF #5653AF

triadic

#537EAF #AF537E #7EAF53

tetradic

#537EAF #AF53AC #AF8453 #53AF56

square

#537EAF #AF53AC #AF8453 #53AF56

split-complementary

#537EAF #AF5653 #ACAF53

monochromatic

#2B425D #3E6086 #537EAF #7D9DC2 #A7BDD6

Accessibility & contrast

On white

4.22

#537EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#537EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EAF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EAF	#FFFFFF	#000000	##000000
##537EAF	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B1

Deuteranopia (green-blind)

#5F77AE

Tritanopia (blue-blind)

#22898F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537eaf;
/* rgb */ color: rgb(83, 126, 175);
/* oklch */ color: oklch(58.3% 0.090 252.5);

Tailwind

colors: {
  custom: {
    50: '#89a3c7',
    500: '#537eaf',
    950: '#000000',
  },
}

SCSS

$custom: #537eaf;
$custom-light: #89a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#537eaf",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 211.957,
    "s": 36.508,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58266,
    "c": 0.08966,
    "h": 252.5
  },
  "luminance": 0.19856
}

Semantic roles & 50–950 ramp

primary

#537EAF

secondary

#C3B09A

accent

#985BCD

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EAF

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

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