#509DD0#509DD0

#509DD0 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.108 H 240.1°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#509DD0
RGBrgb(80, 157, 208)
HSLhsl(204, 58%, 56%)
HSVhsv(204, 62%, 82%)
CMYKcmyk(61.5%, 24.5%, 0%, 18.4%)
CIE-LABlab(61.97, -8.44, -33.20)
CIE-LCHlch(61.97, 34.25, 255.74°)
OKLaboklab(66.83% -0.0536 -0.0932)
OKLCHoklch(66.83% 0.108 240.1)
XYZxyz(26.7461, 30.3709, 64.1149)
Luminance0.3037 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509DD0 #D08350
analogous
#50D0C3 #509DD0 #505DD0
triadic
#509DD0 #D0509D #9DD050
tetradic
#509DD0 #C350D0 #D08350 #5DD050
square
#509DD0 #C350D0 #D08350 #5DD050
split-complementary
#509DD0 #D0505D #D0C350
monochromatic
#235C83 #307FB3 #509DD0 #80B8DD #B0D3EA

Accessibility & contrast

On white

2.97
#509DD0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#509DD0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509DD0
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509DD0#FFFFFF#000000##000000
##509DD01.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#869DD2
Deuteranopia (green-blind)
#7490CF
Tritanopia (blue-blind)
#00AAAE
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #509dd0;
/* rgb */ color: rgb(80, 157, 208);
/* oklch */ color: oklch(66.8% 0.108 240.1);
Tailwind
colors: {
  custom: {
    50: '#8cb9de',
    500: '#509dd0',
    950: '#000000',
  },
}
SCSS
$custom: #509dd0;
$custom-light: #8cb9de;
$custom-dark: #000000;
JSON
{
  "hex": "#509dd0",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 208
  },
  "hsl": {
    "h": 203.906,
    "s": 57.658,
    "l": 56.471
  },
  "oklch": {
    "l": 0.66825,
    "c": 0.10752,
    "h": 240.1
  },
  "luminance": 0.30373
}

Semantic roles & 50–950 ramp

primary
#509DD0
secondary
#D8B9A4
accent
#8447E1
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #509DD0

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

Preview Lab → · Contrast checker → · Palette generator →

#509DD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva