#509FB0#509FB0

#509FB0 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 65.9% C 0.081 H 213.6°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#509FB0
RGBrgb(80, 159, 176)
HSLhsl(191, 38%, 50%)
HSVhsv(191, 55%, 69%)
CMYKcmyk(54.5%, 9.7%, 0%, 31%)
CIE-LABlab(61.34, -19.35, -16.23)
CIE-LCHlch(61.34, 25.26, 219.99°)
OKLaboklab(65.91% -0.0677 -0.0449)
OKLCHoklch(65.91% 0.081 213.6)
XYZxyz(23.5398, 29.6342, 45.5453)
Luminance0.2964 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509FB0 #B06150
analogous
#50B091 #509FB0 #506FB0
triadic
#509FB0 #B0509F #9FB050
tetradic
#509FB0 #9150B0 #B06150 #6FB050
square
#509FB0 #9150B0 #B06150 #6FB050
split-complementary
#509FB0 #B0506F #B09150
monochromatic
#2A535C #3D7986 #509FB0 #7AB6C3 #A4CDD6

Accessibility & contrast

On white

3.03
#509FB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#509FB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509FB0
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509FB0#FFFFFF#000000##000000
##509FB01.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#929AB1
Deuteranopia (green-blind)
#848FB0
Tritanopia (blue-blind)
#00A6A4
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #509fb0;
/* rgb */ color: rgb(80, 159, 176);
/* oklch */ color: oklch(65.9% 0.081 213.6);
Tailwind
colors: {
  custom: {
    50: '#89bbc7',
    500: '#509fb0',
    950: '#000000',
  },
}
SCSS
$custom: #509fb0;
$custom-light: #89bbc7;
$custom-dark: #000000;
JSON
{
  "hex": "#509fb0",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 176
  },
  "hsl": {
    "h": 190.625,
    "s": 37.795,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65914,
    "c": 0.08126,
    "h": 213.6
  },
  "luminance": 0.29636
}

Semantic roles & 50–950 ramp

primary
#509FB0
secondary
#C3A098
accent
#6F5ACE
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #509FB0

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

Preview Lab → · Contrast checker → · Palette generator →

#509FB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva