#509BBC#509BBC

#509BBC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.089 H 229.0°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#509BBC
RGBrgb(80, 155, 188)
HSLhsl(198, 45%, 53%)
HSVhsv(198, 57%, 74%)
CMYKcmyk(57.4%, 17.6%, 0%, 26.3%)
CIE-LABlab(60.58, -13.62, -24.14)
CIE-LCHlch(60.58, 27.72, 240.56°)
OKLaboklab(65.46% -0.0585 -0.0672)
OKLCHoklch(65.46% 0.089 229)
XYZxyz(24.1032, 28.7768, 51.8515)
Luminance0.2878 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509BBC #BC7150
analogous
#50BCA7 #509BBC #5065BC
triadic
#509BBC #BC509B #9BBC50
tetradic
#509BBC #A750BC #BC7150 #65BC50
square
#509BBC #A750BC #BC7150 #65BC50
split-complementary
#509BBC #BC5065 #BCA750
monochromatic
#285569 #397996 #509BBC #7CB4CD #A9CEDE

Accessibility & contrast

On white

3.11
#509BBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.76
#509BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BBC
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509BBC#FFFFFF#000000##000000
##509BBC1.003.116.766.76
#FFFFFF3.111.0021.0021.00
#0000006.7621.001.001.00
##0000006.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A99BE
Deuteranopia (green-blind)
#7B8DBC
Tritanopia (blue-blind)
#00A4A6
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #509bbc;
/* rgb */ color: rgb(80, 155, 188);
/* oklch */ color: oklch(65.5% 0.089 229.0);
Tailwind
colors: {
  custom: {
    50: '#8ab8d0',
    500: '#509bbc',
    950: '#000000',
  },
}
SCSS
$custom: #509bbc;
$custom-light: #8ab8d0;
$custom-dark: #000000;
JSON
{
  "hex": "#509bbc",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 188
  },
  "hsl": {
    "h": 198.333,
    "s": 44.628,
    "l": 52.549
  },
  "oklch": {
    "l": 0.65457,
    "c": 0.08913,
    "h": 229
  },
  "luminance": 0.28779
}

Semantic roles & 50–950 ramp

primary
#509BBC
secondary
#CBAB9C
accent
#7B53D4
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #509BBC

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

Preview Lab → · Contrast checker → · Palette generator →

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