#518EDB#518EDB

#518EDB is a light, vivid cyan. Relative luminance 0.262; OKLCH L 64.1% C 0.133 H 255.1°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#518EDB
RGBrgb(81, 142, 219)
HSLhsl(213, 66%, 59%)
HSVhsv(213, 63%, 86%)
CMYKcmyk(63%, 35.2%, 0%, 14.1%)
CIE-LABlab(58.23, 3.97, -45.20)
CIE-LCHlch(58.23, 45.37, 275.02°)
OKLaboklab(64.06% -0.034 -0.1281)
OKLCHoklch(64.06% 0.133 255.1)
XYZxyz(25.8479, 26.2073, 70.7004)
Luminance0.2621 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518EDB #DB9E51
analogous
#51D3DB #518EDB #5951DB
triadic
#518EDB #DB518E #8EDB51
tetradic
#518EDB #DB51D3 #DB9E51 #51DB59
square
#518EDB #DB51D3 #DB9E51 #51DB59
split-complementary
#518EDB #DB5951 #D3DB51
monochromatic
#1E5293 #296EC6 #518EDB #84AFE5 #B6D0F0

Accessibility & contrast

On white

3.36
#518EDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.24
#518EDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EDB
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518EDB#FFFFFF#000000##000000
##518EDB1.003.366.246.24
#FFFFFF3.361.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D93DE
Deuteranopia (green-blind)
#5A86D9
Tritanopia (blue-blind)
#00A0AA
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #518edb;
/* rgb */ color: rgb(81, 142, 219);
/* oklch */ color: oklch(64.1% 0.133 255.1);
Tailwind
colors: {
  custom: {
    50: '#8eaee6',
    500: '#518edb',
    950: '#000000',
  },
}
SCSS
$custom: #518edb;
$custom-light: #8eaee6;
$custom-dark: #000000;
JSON
{
  "hex": "#518edb",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 219
  },
  "hsl": {
    "h": 213.478,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6406,
    "c": 0.13257,
    "h": 255.1
  },
  "luminance": 0.2621
}

Semantic roles & 50–950 ramp

primary
#518EDB
secondary
#DFC7A9
accent
#9E3FE9
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #518EDB

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

Preview Lab → · Contrast checker → · Palette generator →

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