#518DD2#518DD2

#518DD2 is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.4% C 0.122 H 253.2°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#518DD2
RGBrgb(81, 141, 210)
HSLhsl(212, 59%, 57%)
HSVhsv(212, 61%, 82%)
CMYKcmyk(61.4%, 32.9%, 0%, 17.6%)
CIE-LABlab(57.51, 1.55, -41.29)
CIE-LCHlch(57.51, 41.32, 272.15°)
OKLaboklab(63.35% -0.0353 -0.1168)
OKLCHoklch(63.35% 0.122 253.2)
XYZxyz(24.5469, 25.4499, 64.5790)
Luminance0.2545 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518DD2 #D29651
analogous
#51CED2 #518DD2 #5651D2
triadic
#518DD2 #D2518D #8DD251
tetradic
#518DD2 #D251CE #D29651 #51D256
square
#518DD2 #D251CE #D29651 #51D256
split-complementary
#518DD2 #D25651 #CED251
monochromatic
#235186 #2F6EB7 #518DD2 #82ADDF #B2CDEB

Accessibility & contrast

On white

3.45
#518DD2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.09
#518DD2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DD2
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518DD2#FFFFFF#000000##000000
##518DD21.003.456.096.09
#FFFFFF3.451.0021.0021.00
#0000006.0921.001.001.00
##0000006.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7091D5
Deuteranopia (green-blind)
#5E85D1
Tritanopia (blue-blind)
#009DA6
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #518dd2;
/* rgb */ color: rgb(81, 141, 210);
/* oklch */ color: oklch(63.4% 0.122 253.2);
Tailwind
colors: {
  custom: {
    50: '#8daee0',
    500: '#518dd2',
    950: '#000000',
  },
}
SCSS
$custom: #518dd2;
$custom-light: #8daee0;
$custom-dark: #000000;
JSON
{
  "hex": "#518dd2",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 210
  },
  "hsl": {
    "h": 212.093,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63352,
    "c": 0.12198,
    "h": 253.2
  },
  "luminance": 0.25452
}

Semantic roles & 50–950 ramp

primary
#518DD2
secondary
#DAC1A5
accent
#9946E2
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #518DD2

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

Preview Lab → · Contrast checker → · Palette generator →

#518DD2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva