#539EE9#539EE9

#539EE9 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.4% C 0.134 H 250.4°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX#539EE9
RGBrgb(83, 158, 233)
HSLhsl(210, 77%, 62%)
HSVhsv(210, 64%, 91%)
CMYKcmyk(64.4%, 32.2%, 0%, 8.6%)
CIE-LABlab(63.49, -0.31, -44.68)
CIE-LCHlch(63.49, 44.68, 269.60°)
OKLaboklab(68.42% -0.045 -0.1264)
OKLCHoklch(68.42% 0.134 250.4)
XYZxyz(30.4967, 32.1729, 81.6778)
Luminance0.3218 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539EE9 #E99E53
analogous
#53E9E9 #539EE9 #5353E9
triadic
#539EE9 #E9539E #9EE953
tetradic
#539EE9 #E953E9 #E99E53 #53E953
square
#539EE9 #E953E9 #E99E53 #53E953
split-complementary
#539EE9 #E95353 #E9E953
monochromatic
#1661AC #1D7FE2 #539EE9 #89BDF0 #C0DBF7

Accessibility & contrast

On white

2.82
#539EE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.44
#539EE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539EE9
7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539EE9#FFFFFF#000000##000000
##539EE91.002.827.447.44
#FFFFFF2.821.0021.0021.00
#0000007.4421.001.001.00
##0000007.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7DA2EC
Deuteranopia (green-blind)
#6993E8
Tritanopia (blue-blind)
#00B0B9
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #539ee9;
/* rgb */ color: rgb(83, 158, 233);
/* oklch */ color: oklch(68.4% 0.134 250.4);
Tailwind
colors: {
  custom: {
    50: '#91baf0',
    500: '#539ee9',
    950: '#000000',
  },
}
SCSS
$custom: #539ee9;
$custom-light: #91baf0;
$custom-dark: #000000;
JSON
{
  "hex": "#539ee9",
  "rgb": {
    "r": 83,
    "g": 158,
    "b": 233
  },
  "hsl": {
    "h": 210,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.68416,
    "c": 0.1342,
    "h": 250.4
  },
  "luminance": 0.32176
}

Semantic roles & 50–950 ramp

primary
#539EE9
secondary
#E8CCB0
accent
#730CDA
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #539EE9

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

Preview Lab → · Contrast checker → · Palette generator →

#539EE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva