#539DDD#539DDD

#539DDD is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.6% C 0.121 H 246.9°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX#539DDD
RGBrgb(83, 157, 221)
HSLhsl(208, 67%, 60%)
HSVhsv(208, 62%, 87%)
CMYKcmyk(62.4%, 29%, 0%, 13.3%)
CIE-LABlab(62.65, -3.69, -39.36)
CIE-LCHlch(62.65, 39.53, 264.65°)
OKLaboklab(67.58% -0.0474 -0.111)
OKLCHoklch(67.58% 0.121 246.9)
XYZxyz(28.6706, 31.1706, 72.8982)
Luminance0.3117 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539DDD #DD9353
analogous
#53DDD8 #539DDD #5358DD
triadic
#539DDD #DD539D #9DDD53
tetradic
#539DDD #D853DD #DD9353 #58DD53
square
#539DDD #D853DD #DD9353 #58DD53
split-complementary
#539DDD #DD5358 #DDD853
monochromatic
#1E5F98 #287FCB #539DDD #86BAE7 #B9D7F1

Accessibility & contrast

On white

2.90
#539DDD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.23
#539DDD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DDD
7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539DDD#FFFFFF#000000##000000
##539DDD1.002.907.237.23
#FFFFFF2.901.0021.0021.00
#0000007.2321.001.001.00
##0000007.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#819FE0
Deuteranopia (green-blind)
#6E91DC
Tritanopia (blue-blind)
#00ACB3
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #539ddd;
/* rgb */ color: rgb(83, 157, 221);
/* oklch */ color: oklch(67.6% 0.121 246.9);
Tailwind
colors: {
  custom: {
    50: '#8fb9e8',
    500: '#539ddd',
    950: '#000000',
  },
}
SCSS
$custom: #539ddd;
$custom-light: #8fb9e8;
$custom-dark: #000000;
JSON
{
  "hex": "#539ddd",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 221
  },
  "hsl": {
    "h": 207.826,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67579,
    "c": 0.12067,
    "h": 246.9
  },
  "luminance": 0.31173
}

Semantic roles & 50–950 ramp

primary
#539DDD
secondary
#E1C4AB
accent
#8E3EEA
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #539DDD

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

Preview Lab → · Contrast checker → · Palette generator →

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