#539DEB#539DEB

#539DEB is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.3% C 0.138 H 251.6°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#539DEB
RGB	rgb(83, 157, 235)
HSL	hsl(211, 79%, 62%)
HSV	hsv(211, 65%, 92%)
CMYK	cmyk(64.7%, 33.2%, 0%, 7.8%)
CIE-LAB	lab(63.30, 0.93, -46.07)
CIE-LCH	lch(63.30, 46.08, 271.16°)
OKLab	oklab(68.3% -0.0435 -0.1305)
OKLCH	oklch(68.3% 0.138 251.6)
XYZ	xyz(30.6141, 31.9480, 83.1344)
Luminance	0.3195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DEB #EBA153

analogous

#53E9EB #539DEB #5553EB

triadic

#539DEB #EB539D #9DEB53

tetradic

#539DEB #EB53E9 #EBA153 #53EB55

square

#539DEB #EB53E9 #EBA153 #53EB55

split-complementary

#539DEB #EB5553 #E9EB53

monochromatic

#1460AF #1C7EE5 #539DEB #8ABCF1 #C1DBF8

Accessibility & contrast

On white

2.84

#539DEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#539DEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DEB

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DEB	#FFFFFF	#000000	##000000
##539DEB	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA1EE

Deuteranopia (green-blind)

#6693E9

Tritanopia (blue-blind)

#00AFB9

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539deb;
/* rgb */ color: rgb(83, 157, 235);
/* oklch */ color: oklch(68.3% 0.138 251.6);

Tailwind

colors: {
  custom: {
    50: '#91b9f2',
    500: '#539deb',
    950: '#000000',
  },
}

SCSS

$custom: #539deb;
$custom-light: #91b9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#539deb",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 235
  },
  "hsl": {
    "h": 210.789,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.68301,
    "c": 0.13755,
    "h": 251.6
  },
  "luminance": 0.31951
}

Semantic roles & 50–950 ramp

primary

#539DEB

secondary

#E9CEB1

accent

#760ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539DEB

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

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