#518ACE#518ACE

#518ACE is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.5% C 0.120 H 253.9°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#518ACE
RGBrgb(81, 138, 206)
HSLhsl(213, 56%, 56%)
HSVhsv(213, 61%, 81%)
CMYKcmyk(60.7%, 33%, 0%, 19.2%)
CIE-LABlab(56.47, 1.99, -40.69)
CIE-LCHlch(56.47, 40.74, 272.80°)
OKLaboklab(62.47% -0.0332 -0.115)
OKLCHoklch(62.47% 0.12 253.9)
XYZxyz(23.6184, 24.3804, 61.8418)
Luminance0.2438 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518ACE #CE9551
analogous
#51C9CE #518ACE #5751CE
triadic
#518ACE #CE518A #8ACE51
tetradic
#518ACE #CE51C9 #CE9551 #51CE57
square
#518ACE #CE51C9 #CE9551 #51CE57
split-complementary
#518ACE #CE5751 #C9CE51
monochromatic
#244E80 #326BB0 #518ACE #81AADB #B1CAE9

Accessibility & contrast

On white

3.57
#518ACE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#518ACE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ACE
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518ACE#FFFFFF#000000##000000
##518ACE1.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D8ED1
Deuteranopia (green-blind)
#5D82CD
Tritanopia (blue-blind)
#009AA2
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #518ace;
/* rgb */ color: rgb(81, 138, 206);
/* oklch */ color: oklch(62.5% 0.120 253.9);
Tailwind
colors: {
  custom: {
    50: '#8cabdd',
    500: '#518ace',
    950: '#000000',
  },
}
SCSS
$custom: #518ace;
$custom-light: #8cabdd;
$custom-dark: #000000;
JSON
{
  "hex": "#518ace",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 206
  },
  "hsl": {
    "h": 212.64,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62471,
    "c": 0.11972,
    "h": 253.9
  },
  "luminance": 0.24383
}

Semantic roles & 50–950 ramp

primary
#518ACE
secondary
#D7C0A4
accent
#9B48DF
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #518ACE

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

Preview Lab → · Contrast checker → · Palette generator →

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