#539DCD#539DCD

#539DCD is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.103 H 239.3°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#539DCD
RGBrgb(83, 157, 205)
HSLhsl(204, 55%, 56%)
HSVhsv(204, 60%, 80%)
CMYKcmyk(59.5%, 23.4%, 0%, 19.6%)
CIE-LABlab(61.96, -8.83, -31.53)
CIE-LCHlch(61.96, 32.75, 254.36°)
OKLaboklab(66.81% -0.0525 -0.0884)
OKLCHoklch(66.81% 0.103 239.3)
XYZxyz(26.6396, 30.3582, 62.2016)
Luminance0.3036 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539DCD #CD8353
analogous
#53CDC0 #539DCD #5360CD
triadic
#539DCD #CD539D #9DCD53
tetradic
#539DCD #C053CD #CD8353 #60CD53
square
#539DCD #C053CD #CD8353 #60CD53
split-complementary
#539DCD #CD5360 #CDC053
monochromatic
#255C80 #337FB0 #539DCD #82B8DB #B2D3E9

Accessibility & contrast

On white

2.97
#539DCD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#539DCD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DCD
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539DCD#FFFFFF#000000##000000
##539DCD1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#879DCF
Deuteranopia (green-blind)
#7690CC
Tritanopia (blue-blind)
#00A9AD
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #539dcd;
/* rgb */ color: rgb(83, 157, 205);
/* oklch */ color: oklch(66.8% 0.103 239.3);
Tailwind
colors: {
  custom: {
    50: '#8db9dc',
    500: '#539dcd',
    950: '#000000',
  },
}
SCSS
$custom: #539dcd;
$custom-light: #8db9dc;
$custom-dark: #000000;
JSON
{
  "hex": "#539dcd",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 205
  },
  "hsl": {
    "h": 203.607,
    "s": 54.955,
    "l": 56.471
  },
  "oklch": {
    "l": 0.66807,
    "c": 0.10279,
    "h": 239.3
  },
  "luminance": 0.30361
}

Semantic roles & 50–950 ramp

primary
#539DCD
secondary
#D7B9A5
accent
#844ADE
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #539DCD

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

Preview Lab → · Contrast checker → · Palette generator →

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