#539BD0#539BD0

#539BD0 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.5% C 0.107 H 242.6°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX#539BD0
RGBrgb(83, 155, 208)
HSLhsl(205, 57%, 57%)
HSVhsv(205, 60%, 82%)
CMYKcmyk(60.1%, 25.5%, 0%, 18.4%)
CIE-LABlab(61.51, -6.76, -33.91)
CIE-LCHlch(61.51, 34.58, 258.73°)
OKLaboklab(66.49% -0.0494 -0.0952)
OKLCHoklch(66.49% 0.107 242.6)
XYZxyz(26.6696, 29.8332, 64.0152)
Luminance0.2984 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539BD0 #D08853
analogous
#53D0C7 #539BD0 #535DD0
triadic
#539BD0 #D0539B #9BD053
tetradic
#539BD0 #C753D0 #D08853 #5DD053
square
#539BD0 #C753D0 #D08853 #5DD053
split-complementary
#539BD0 #D0535D #D0C753
monochromatic
#245C84 #317DB4 #539BD0 #83B7DD #B3D3EA

Accessibility & contrast

On white

3.01
#539BD0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.97
#539BD0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BD0
6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539BD0#FFFFFF#000000##000000
##539BD01.003.016.976.97
#FFFFFF3.011.0021.0021.00
#0000006.9721.001.001.00
##0000006.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#849CD2
Deuteranopia (green-blind)
#738FCF
Tritanopia (blue-blind)
#00A8AD
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #539bd0;
/* rgb */ color: rgb(83, 155, 208);
/* oklch */ color: oklch(66.5% 0.107 242.6);
Tailwind
colors: {
  custom: {
    50: '#8eb8de',
    500: '#539bd0',
    950: '#000000',
  },
}
SCSS
$custom: #539bd0;
$custom-light: #8eb8de;
$custom-dark: #000000;
JSON
{
  "hex": "#539bd0",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 208
  },
  "hsl": {
    "h": 205.44,
    "s": 57.078,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66491,
    "c": 0.10724,
    "h": 242.6
  },
  "luminance": 0.29836
}

Semantic roles & 50–950 ramp

primary
#539BD0
secondary
#D9BCA6
accent
#8847E0
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #539BD0

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

Preview Lab → · Contrast checker → · Palette generator →

#539BD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva