#539CF8#539CF8

#539CF8 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.8% C 0.155 H 255.3°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#539CF8
RGB	rgb(83, 156, 248)
HSL	hsl(213, 92%, 65%)
HSV	hsv(213, 67%, 97%)
CMYK	cmyk(66.5%, 37.1%, 0%, 2.7%)
CIE-LAB	lab(63.66, 5.87, -52.63)
CIE-LCH	lch(63.66, 52.96, 276.37°)
OKLab	oklab(68.8% -0.0393 -0.1497)
OKLCH	oklch(68.8% 0.155 255.3)
XYZ	xyz(32.3928, 32.3899, 93.3335)
Luminance	0.3239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CF8 #F8AF53

analogous

#53EEF8 #539CF8 #5D53F8

triadic

#539CF8 #F8539C #9CF853

tetradic

#539CF8 #F853EE #F8AF53 #53F85D

square

#539CF8 #F853EE #F8AF53 #53F85D

split-complementary

#539CF8 #F85D53 #EEF853

monochromatic

#085DC8 #187AF6 #539CF8 #8EBEFA #C9E0FD

Accessibility & contrast

On white

2.81

#539CF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#539CF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539CF8

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CF8	#FFFFFF	#000000	##000000
##539CF8	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#73A3FC

Deuteranopia (green-blind)

#5B93F6

Tritanopia (blue-blind)

#00B1BE

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #539cf8;
/* rgb */ color: rgb(83, 156, 248);
/* oklch */ color: oklch(68.8% 0.155 255.3);

Tailwind

colors: {
  custom: {
    50: '#93b8fb',
    500: '#539cf8',
    950: '#000000',
  },
}

SCSS

$custom: #539cf8;
$custom-light: #93b8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#539cf8",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 248
  },
  "hsl": {
    "h": 213.455,
    "s": 92.179,
    "l": 64.902
  },
  "oklch": {
    "l": 0.68795,
    "c": 0.15475,
    "h": 255.3
  },
  "luminance": 0.32393
}

Semantic roles & 50–950 ramp

primary

#539CF8

secondary

#F0D7B7

accent

#8000E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539CF8

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

Preview Lab → · Contrast checker → · Palette generator →