#539DEF#539DEF

#539DEF is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.5% C 0.142 H 252.7°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#539DEF
RGB	rgb(83, 157, 239)
HSL	hsl(212, 83%, 63%)
HSV	hsv(212, 65%, 94%)
CMYK	cmyk(65.3%, 34.3%, 0%, 6.3%)
CIE-LAB	lab(63.49, 2.27, -47.97)
CIE-LCH	lch(63.49, 48.02, 272.70°)
OKLab	oklab(68.52% -0.0424 -0.136)
OKLCH	oklch(68.52% 0.142 252.7)
XYZ	xyz(31.1985, 32.1818, 86.2121)
Luminance	0.3219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DEF #EFA553

analogous

#53EBEF #539DEF #5753EF

triadic

#539DEF #EF539D #9DEF53

tetradic

#539DEF #EF53EB #EFA553 #53EF57

square

#539DEF #EF53EB #EFA553 #53EF57

split-complementary

#539DEF #EF5753 #EBEF53

monochromatic

#1160B7 #1B7DEA #539DEF #8BBDF4 #C3DDF9

Accessibility & contrast

On white

2.82

#539DEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#539DEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DEF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DEF	#FFFFFF	#000000	##000000
##539DEF	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F2

Deuteranopia (green-blind)

#6393ED

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #539def;
/* rgb */ color: rgb(83, 157, 239);
/* oklch */ color: oklch(68.5% 0.142 252.7);

Tailwind

colors: {
  custom: {
    50: '#92b9f4',
    500: '#539def',
    950: '#000000',
  },
}

SCSS

$custom: #539def;
$custom-light: #92b9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#539def",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 239
  },
  "hsl": {
    "h": 211.538,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68516,
    "c": 0.14249,
    "h": 252.7
  },
  "luminance": 0.32185
}

Semantic roles & 50–950 ramp

primary

#539DEF

secondary

#EBD0B3

accent

#7806DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539DEF

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

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