#509DB8#509DB8

#509DB8 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.8% C 0.086 H 223.4°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#509DB8
RGBrgb(80, 157, 184)
HSLhsl(196, 42%, 52%)
HSVhsv(196, 57%, 72%)
CMYKcmyk(56.5%, 14.7%, 0%, 27.8%)
CIE-LABlab(61.03, -15.92, -21.21)
CIE-LCHlch(61.03, 26.52, 233.11°)
OKLaboklab(65.76% -0.0623 -0.0589)
OKLCHoklch(65.76% 0.086 223.4)
XYZxyz(24.0136, 29.2779, 49.7238)
Luminance0.2928 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509DB8 #B86B50
analogous
#50B89F #509DB8 #5069B8
triadic
#509DB8 #B8509D #9DB850
tetradic
#509DB8 #9F50B8 #B86B50 #69B850
square
#509DB8 #9F50B8 #B86B50 #69B850
split-complementary
#509DB8 #B85069 #B89F50
monochromatic
#295565 #3B7A90 #509DB8 #7CB5CA #A7CEDB

Accessibility & contrast

On white

3.06
#509DB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.86
#509DB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509DB8
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509DB8#FFFFFF#000000##000000
##509DB81.003.066.866.86
#FFFFFF3.061.0021.0021.00
#0000006.8621.001.001.00
##0000006.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E9AB9
Deuteranopia (green-blind)
#7E8EB8
Tritanopia (blue-blind)
#00A5A6
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #509db8;
/* rgb */ color: rgb(80, 157, 184);
/* oklch */ color: oklch(65.8% 0.086 223.4);
Tailwind
colors: {
  custom: {
    50: '#8abacd',
    500: '#509db8',
    950: '#000000',
  },
}
SCSS
$custom: #509db8;
$custom-light: #8abacd;
$custom-dark: #000000;
JSON
{
  "hex": "#509db8",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 184
  },
  "hsl": {
    "h": 195.577,
    "s": 42.276,
    "l": 51.765
  },
  "oklch": {
    "l": 0.65759,
    "c": 0.08573,
    "h": 223.4
  },
  "luminance": 0.2928
}

Semantic roles & 50–950 ramp

primary
#509DB8
secondary
#C9A79B
accent
#7656D2
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #509DB8

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

Preview Lab → · Contrast checker → · Palette generator →

#509DB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva