#518CDC#518CDC

#518CDC is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.7% C 0.136 H 256.5°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#518CDC
RGBrgb(81, 140, 220)
HSLhsl(215, 67%, 59%)
HSVhsv(215, 63%, 86%)
CMYKcmyk(63.2%, 36.4%, 0%, 13.7%)
CIE-LABlab(57.72, 5.49, -46.57)
CIE-LCHlch(57.72, 46.89, 276.72°)
OKLaboklab(63.68% -0.0317 -0.1321)
OKLCHoklch(63.68% 0.136 256.5)
XYZxyz(25.6851, 25.6704, 71.2975)
Luminance0.2567 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518CDC #DCA151
analogous
#51D2DC #518CDC #5C51DC
triadic
#518CDC #DC518C #8CDC51
tetradic
#518CDC #DC51D2 #DCA151 #51DC5C
square
#518CDC #DC51D2 #DCA151 #51DC5C
split-complementary
#518CDC #DC5C51 #D2DC51
monochromatic
#1E5095 #286CC8 #518CDC #84AEE6 #B7CFF0

Accessibility & contrast

On white

3.42
#518CDC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.13
#518CDC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CDC
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518CDC#FFFFFF#000000##000000
##518CDC1.003.426.136.13
#FFFFFF3.421.0021.0021.00
#0000006.1321.001.001.00
##0000006.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6992DF
Deuteranopia (green-blind)
#5685DA
Tritanopia (blue-blind)
#009EA9
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #518cdc;
/* rgb */ color: rgb(81, 140, 220);
/* oklch */ color: oklch(63.7% 0.136 256.5);
Tailwind
colors: {
  custom: {
    50: '#8eade7',
    500: '#518cdc',
    950: '#000000',
  },
}
SCSS
$custom: #518cdc;
$custom-light: #8eade7;
$custom-dark: #000000;
JSON
{
  "hex": "#518cdc",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 214.532,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63678,
    "c": 0.1359,
    "h": 256.5
  },
  "luminance": 0.25673
}

Semantic roles & 50–950 ramp

primary
#518CDC
secondary
#E0C9A9
accent
#A13EE9
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #518CDC

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

Preview Lab → · Contrast checker → · Palette generator →

#518CDC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva