#518FCD#518FCD

#518FCD is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.114 H 250.0°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#518FCD
RGBrgb(81, 143, 205)
HSLhsl(210, 55%, 56%)
HSVhsv(210, 60%, 80%)
CMYKcmyk(60.5%, 30.2%, 0%, 19.6%)
CIE-LABlab(57.85, -1.26, -37.96)
CIE-LCHlch(57.85, 37.98, 268.09°)
OKLaboklab(63.54% -0.0388 -0.107)
OKLCHoklch(63.54% 0.114 250)
XYZxyz(24.2312, 25.7998, 61.4487)
Luminance0.2580 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518FCD #CD8F51
analogous
#51CDCD #518FCD #5151CD
triadic
#518FCD #CD518F #8FCD51
tetradic
#518FCD #CD51CD #CD8F51 #51CD51
square
#518FCD #CD51CD #CD8F51 #51CD51
split-complementary
#518FCD #CD5151 #CDCD51
monochromatic
#25527F #3270AF #518FCD #81AEDB #B0CCE8

Accessibility & contrast

On white

3.41
#518FCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#518FCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FCD
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518FCD#FFFFFF#000000##000000
##518FCD1.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7592D0
Deuteranopia (green-blind)
#6486CC
Tritanopia (blue-blind)
#009DA5
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #518fcd;
/* rgb */ color: rgb(81, 143, 205);
/* oklch */ color: oklch(63.5% 0.114 250.0);
Tailwind
colors: {
  custom: {
    50: '#8cafdc',
    500: '#518fcd',
    950: '#000000',
  },
}
SCSS
$custom: #518fcd;
$custom-light: #8cafdc;
$custom-dark: #000000;
JSON
{
  "hex": "#518fcd",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 205
  },
  "hsl": {
    "h": 210,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63537,
    "c": 0.11386,
    "h": 250
  },
  "luminance": 0.25802
}

Semantic roles & 50–950 ramp

primary
#518FCD
secondary
#D7BDA3
accent
#9449DF
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #518FCD

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

Preview Lab → · Contrast checker → · Palette generator →

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