#539BEB#539BEB

#539BEB is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.9% C 0.139 H 252.7°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#539BEB
RGB	rgb(83, 155, 235)
HSL	hsl(212, 79%, 62%)
HSV	hsv(212, 65%, 92%)
CMYK	cmyk(64.7%, 34%, 0%, 7.8%)
CIE-LAB	lab(62.74, 2.08, -46.96)
CIE-LCH	lch(62.74, 47.00, 272.54°)
OKLab	oklab(67.86% -0.0415 -0.1331)
OKLCH	oklch(67.86% 0.139 252.7)
XYZ	xyz(30.2785, 31.2768, 83.0225)
Luminance	0.3128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BEB #EBA353

analogous

#53E7EB #539BEB #5753EB

triadic

#539BEB #EB539B #9BEB53

tetradic

#539BEB #EB53E7 #EBA353 #53EB57

square

#539BEB #EB53E7 #EBA353 #53EB57

split-complementary

#539BEB #EB5753 #E7EB53

monochromatic

#145EAF #1C7BE5 #539BEB #8ABBF1 #C1DBF8

Accessibility & contrast

On white

2.89

#539BEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#539BEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BEB

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BEB	#FFFFFF	#000000	##000000
##539BEB	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A0EE

Deuteranopia (green-blind)

#6391E9

Tritanopia (blue-blind)

#00AEB8

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539beb;
/* rgb */ color: rgb(83, 155, 235);
/* oklch */ color: oklch(67.9% 0.139 252.7);

Tailwind

colors: {
  custom: {
    50: '#91b8f2',
    500: '#539beb',
    950: '#000000',
  },
}

SCSS

$custom: #539beb;
$custom-light: #91b8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#539beb",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 235
  },
  "hsl": {
    "h": 211.579,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.67863,
    "c": 0.13941,
    "h": 252.7
  },
  "luminance": 0.3128
}

Semantic roles & 50–950 ramp

primary

#539BEB

secondary

#E9CEB1

accent

#780ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539BEB

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

Preview Lab → · Contrast checker → · Palette generator →