#539DF0#539DF0

#539DF0 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.144 H 252.9°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#539DF0
RGBrgb(83, 157, 240)
HSLhsl(212, 84%, 63%)
HSVhsv(212, 65%, 94%)
CMYKcmyk(65.4%, 34.6%, 0%, 5.9%)
CIE-LABlab(63.54, 2.60, -48.44)
CIE-LCHlch(63.54, 48.51, 273.07°)
OKLaboklab(68.57% -0.0422 -0.1374)
OKLCHoklch(68.57% 0.144 252.9)
XYZxyz(31.3467, 32.2411, 86.9923)
Luminance0.3224 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539DF0 #F0A653
analogous
#53EBF0 #539DF0 #5753F0
triadic
#539DF0 #F0539D #9DF053
tetradic
#539DF0 #F053EB #F0A653 #53F057
square
#539DF0 #F053EB #F0A653 #53F057
split-complementary
#539DF0 #F05753 #EBF053
monochromatic
#105FB9 #1B7DEB #539DF0 #8BBDF5 #C4DDFA

Accessibility & contrast

On white

2.82
#539DF0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.45
#539DF0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DF0
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539DF0#FFFFFF#000000##000000
##539DF01.002.827.457.45
#FFFFFF2.821.0021.0021.00
#0000007.4521.001.001.00
##0000007.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#79A2F3
Deuteranopia (green-blind)
#6293EE
Tritanopia (blue-blind)
#00B0BB
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #539df0;
/* rgb */ color: rgb(83, 157, 240);
/* oklch */ color: oklch(68.6% 0.144 252.9);
Tailwind
colors: {
  custom: {
    50: '#92b9f5',
    500: '#539df0',
    950: '#000000',
  },
}
SCSS
$custom: #539df0;
$custom-light: #92b9f5;
$custom-dark: #000000;
JSON
{
  "hex": "#539df0",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 240
  },
  "hsl": {
    "h": 211.72,
    "s": 83.957,
    "l": 63.333
  },
  "oklch": {
    "l": 0.6857,
    "c": 0.14374,
    "h": 252.9
  },
  "luminance": 0.32244
}

Semantic roles & 50–950 ramp

primary
#539DF0
secondary
#EBD1B3
accent
#7905E0
background
#F9FBFF
surface
#F2F6FE
border
#CCD0D6
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #539DF0

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

Preview Lab → · Contrast checker → · Palette generator →

#539DF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva