#509AB9#509AB9

#509AB9 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.1% C 0.087 H 227.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#509AB9
RGBrgb(80, 154, 185)
HSLhsl(198, 43%, 52%)
HSVhsv(198, 57%, 73%)
CMYKcmyk(56.8%, 16.8%, 0%, 27.5%)
CIE-LABlab(60.17, -14.00, -23.08)
CIE-LCHlch(60.17, 26.99, 238.77°)
OKLaboklab(65.09% -0.0585 -0.0642)
OKLCHoklch(65.09% 0.087 227.7)
XYZxyz(23.6175, 28.3173, 50.1107)
Luminance0.2832 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509AB9 #B96F50
analogous
#50B9A3 #509AB9 #5066B9
triadic
#509AB9 #B9509A #9AB950
tetradic
#509AB9 #A350B9 #B96F50 #66B950
square
#509AB9 #A350B9 #B96F50 #66B950
split-complementary
#509AB9 #B95066 #B9A350
monochromatic
#295466 #3A7892 #509AB9 #7CB3CA #A7CCDC

Accessibility & contrast

On white

3.15
#509AB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#509AB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509AB9
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509AB9#FFFFFF#000000##000000
##509AB91.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A97BB
Deuteranopia (green-blind)
#7B8CB9
Tritanopia (blue-blind)
#00A3A4
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #509ab9;
/* rgb */ color: rgb(80, 154, 185);
/* oklch */ color: oklch(65.1% 0.087 227.7);
Tailwind
colors: {
  custom: {
    50: '#8ab7ce',
    500: '#509ab9',
    950: '#000000',
  },
}
SCSS
$custom: #509ab9;
$custom-light: #8ab7ce;
$custom-dark: #000000;
JSON
{
  "hex": "#509ab9",
  "rgb": {
    "r": 80,
    "g": 154,
    "b": 185
  },
  "hsl": {
    "h": 197.714,
    "s": 42.857,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65092,
    "c": 0.08687,
    "h": 227.7
  },
  "luminance": 0.28319
}

Semantic roles & 50–950 ramp

primary
#509AB9
secondary
#C9A99B
accent
#7A55D3
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #509AB9

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

Preview Lab → · Contrast checker → · Palette generator →

#509AB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva