#539CE9#539CE9

#539CE9 is a light, vivid cyan. Relative luminance 0.315; OKLCH L 68.0% C 0.136 H 251.6°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#539CE9
RGB	rgb(83, 156, 233)
HSL	hsl(211, 77%, 62%)
HSV	hsv(211, 64%, 91%)
CMYK	cmyk(64.4%, 33%, 0%, 8.6%)
CIE-LAB	lab(62.92, 0.84, -45.56)
CIE-LCH	lch(62.92, 45.57, 271.06°)
OKLab	oklab(67.97% -0.043 -0.129)
OKLCH	oklch(67.97% 0.136 251.6)
XYZ	xyz(30.1583, 31.4961, 81.5650)
Luminance	0.3150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CE9 #E9A053

analogous

#53E7E9 #539CE9 #5553E9

triadic

#539CE9 #E9539C #9CE953

tetradic

#539CE9 #E953E7 #E9A053 #53E955

square

#539CE9 #E953E7 #E9A053 #53E955

split-complementary

#539CE9 #E95553 #E7E953

monochromatic

#165FAC #1D7DE2 #539CE9 #89BBF0 #C0DAF7

Accessibility & contrast

On white

2.88

#539CE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#539CE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539CE9

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CE9	#FFFFFF	#000000	##000000
##539CE9	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA0EC

Deuteranopia (green-blind)

#6692E7

Tritanopia (blue-blind)

#00AEB8

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539ce9;
/* rgb */ color: rgb(83, 156, 233);
/* oklch */ color: oklch(68.0% 0.136 251.6);

Tailwind

colors: {
  custom: {
    50: '#91b8f0',
    500: '#539ce9',
    950: '#000000',
  },
}

SCSS

$custom: #539ce9;
$custom-light: #91b8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#539ce9",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 233
  },
  "hsl": {
    "h": 210.8,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.67975,
    "c": 0.136,
    "h": 251.6
  },
  "luminance": 0.31499
}

Semantic roles & 50–950 ramp

primary

#539CE9

secondary

#E8CDB0

accent

#750CDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539CE9

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

Preview Lab → · Contrast checker → · Palette generator →