#539EEB#539EEB

#539EEB is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.5% C 0.137 H 251.0°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#539EEB
RGB	rgb(83, 158, 235)
HSL	hsl(210, 79%, 62%)
HSV	hsv(210, 65%, 92%)
CMYK	cmyk(64.7%, 32.8%, 0%, 7.8%)
CIE-LAB	lab(63.58, 0.36, -45.63)
CIE-LCH	lch(63.58, 45.63, 270.45°)
OKLab	oklab(68.52% -0.0445 -0.1292)
OKLCH	oklch(68.52% 0.137 251)
XYZ	xyz(30.7840, 32.2878, 83.1910)
Luminance	0.3229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539EEB #EBA053

analogous

#53EAEB #539EEB #5453EB

triadic

#539EEB #EB539E #9EEB53

tetradic

#539EEB #EB53EA #EBA053 #53EB54

square

#539EEB #EB53EA #EBA053 #53EB54

split-complementary

#539EEB #EB5453 #EAEB53

monochromatic

#1461AF #1C7FE5 #539EEB #8ABDF1 #C1DCF8

Accessibility & contrast

On white

2.82

#539EEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#539EEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539EEB

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539EEB	#FFFFFF	#000000	##000000
##539EEB	1.00	2.82	7.46	7.46
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA2EE

Deuteranopia (green-blind)

#6793E9

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #539eeb;
/* rgb */ color: rgb(83, 158, 235);
/* oklch */ color: oklch(68.5% 0.137 251.0);

Tailwind

colors: {
  custom: {
    50: '#91baf2',
    500: '#539eeb',
    950: '#000000',
  },
}

SCSS

$custom: #539eeb;
$custom-light: #91baf2;
$custom-dark: #000000;

JSON

{
  "hex": "#539eeb",
  "rgb": {
    "r": 83,
    "g": 158,
    "b": 235
  },
  "hsl": {
    "h": 210.395,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.68521,
    "c": 0.13664,
    "h": 251
  },
  "luminance": 0.32291
}

Semantic roles & 50–950 ramp

primary

#539EEB

secondary

#E9CDB1

accent

#740ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539EEB

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

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