#518EDD#518EDD

#518EDD is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.2% C 0.135 H 255.7°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#518EDD
RGBrgb(81, 142, 221)
HSLhsl(214, 67%, 59%)
HSVhsv(214, 63%, 87%)
CMYKcmyk(63.3%, 35.7%, 0%, 13.3%)
CIE-LABlab(58.33, 4.64, -46.16)
CIE-LCHlch(58.33, 46.39, 275.74°)
OKLaboklab(64.17% -0.0335 -0.1309)
OKLCHoklch(64.17% 0.135 255.7)
XYZxyz(26.1128, 26.3133, 72.0954)
Luminance0.2632 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518EDD #DDA051
analogous
#51D4DD #518EDD #5A51DD
triadic
#518EDD #DD518E #8EDD51
tetradic
#518EDD #DD51D4 #DDA051 #51DD5A
square
#518EDD #DD51D4 #DDA051 #51DD5A
split-complementary
#518EDD #DD5A51 #D4DD51
monochromatic
#1D5296 #276EC9 #518EDD #84AFE7 #B7D0F1

Accessibility & contrast

On white

3.35
#518EDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#518EDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EDD
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518EDD#FFFFFF#000000##000000
##518EDD1.003.356.266.26
#FFFFFF3.351.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C93E0
Deuteranopia (green-blind)
#5886DB
Tritanopia (blue-blind)
#00A0AB
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #518edd;
/* rgb */ color: rgb(81, 142, 221);
/* oklch */ color: oklch(64.2% 0.135 255.7);
Tailwind
colors: {
  custom: {
    50: '#8eaee8',
    500: '#518edd',
    950: '#000000',
  },
}
SCSS
$custom: #518edd;
$custom-light: #8eaee8;
$custom-dark: #000000;
JSON
{
  "hex": "#518edd",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 221
  },
  "hsl": {
    "h": 213.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64171,
    "c": 0.13515,
    "h": 255.7
  },
  "luminance": 0.26316
}

Semantic roles & 50–950 ramp

primary
#518EDD
secondary
#E0C8AA
accent
#9F3EEA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #518EDD

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

Preview Lab → · Contrast checker → · Palette generator →

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