#518DEE#518DEE

#518DEE is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.9% C 0.158 H 259.6°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#518DEE
RGBrgb(81, 141, 238)
HSLhsl(217, 82%, 63%)
HSVhsv(217, 66%, 93%)
CMYKcmyk(66%, 40.8%, 0%, 6.7%)
CIE-LABlab(58.95, 11.01, -54.64)
CIE-LCHlch(58.95, 55.74, 281.40°)
OKLaboklab(64.94% -0.0287 -0.1558)
OKLCHoklch(64.94% 0.158 259.6)
XYZxyz(28.3453, 26.9693, 84.5841)
Luminance0.2697 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#518DEE #EEB251
analogous
#51DCEE #518DEE #6351EE
triadic
#518DEE #EE518D #8DEE51
tetradic
#518DEE #EE51DC #EEB251 #51EE63
square
#518DEE #EE51DC #EEB251 #51EE63
split-complementary
#518DEE #EE6351 #DCEE51
monochromatic
#114FB3 #1968E9 #518DEE #89B2F3 #C1D6F9

Accessibility & contrast

On white

3.28
#518DEE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.39
#518DEE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DEE
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##518DEE#FFFFFF#000000##000000
##518DEE1.003.286.396.39
#FFFFFF3.281.0021.0021.00
#0000006.3921.001.001.00
##0000006.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6096F2
Deuteranopia (green-blind)
#4887EC
Tritanopia (blue-blind)
#00A3B2
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #518dee;
/* rgb */ color: rgb(81, 141, 238);
/* oklch */ color: oklch(64.9% 0.158 259.6);
Tailwind
colors: {
  custom: {
    50: '#91adf4',
    500: '#518dee',
    950: '#000000',
  },
}
SCSS
$custom: #518dee;
$custom-light: #91adf4;
$custom-dark: #000000;
JSON
{
  "hex": "#518dee",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 217.07,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64937,
    "c": 0.15841,
    "h": 259.6
  },
  "luminance": 0.26972
}

Semantic roles & 50–950 ramp

primary
#518DEE
secondary
#EAD4B1
accent
#8C07DF
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #518DEE

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

Preview Lab → · Contrast checker → · Palette generator →

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