#509BCF#509BCF

#509BCF is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.3% C 0.108 H 241.2°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#509BCF
RGBrgb(80, 155, 207)
HSLhsl(205, 57%, 56%)
HSVhsv(205, 61%, 81%)
CMYKcmyk(61.4%, 25.1%, 0%, 18.8%)
CIE-LABlab(61.35, -7.64, -33.61)
CIE-LCHlch(61.35, 34.46, 257.19°)
OKLaboklab(66.32% -0.0518 -0.0944)
OKLCHoklch(66.32% 0.108 241.2)
XYZxyz(26.2879, 29.6506, 63.3572)
Luminance0.2965 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509BCF #CF8450
analogous
#50CFC4 #509BCF #505CCF
triadic
#509BCF #CF509B #9BCF50
tetradic
#509BCF #C450CF #CF8450 #5CCF50
square
#509BCF #C450CF #CF8450 #5CCF50
split-complementary
#509BCF #CF505C #CFC450
monochromatic
#235B81 #317DB1 #509BCF #80B6DC #B0D2E9

Accessibility & contrast

On white

3.03
#509BCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#509BCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BCF
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509BCF#FFFFFF#000000##000000
##509BCF1.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#849BD1
Deuteranopia (green-blind)
#728ECE
Tritanopia (blue-blind)
#00A8AD
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #509bcf;
/* rgb */ color: rgb(80, 155, 207);
/* oklch */ color: oklch(66.3% 0.108 241.2);
Tailwind
colors: {
  custom: {
    50: '#8cb8de',
    500: '#509bcf',
    950: '#000000',
  },
}
SCSS
$custom: #509bcf;
$custom-light: #8cb8de;
$custom-dark: #000000;
JSON
{
  "hex": "#509bcf",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 207
  },
  "hsl": {
    "h": 204.567,
    "s": 56.951,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66319,
    "c": 0.10768,
    "h": 241.2
  },
  "luminance": 0.29653
}

Semantic roles & 50–950 ramp

primary
#509BCF
secondary
#D8B9A3
accent
#8648E0
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #509BCF

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

Preview Lab → · Contrast checker → · Palette generator →

#509BCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva