#519DE3#519DE3

#519DE3 is a light, vivid cyan. Relative luminance 0.314; OKLCH L 67.8% C 0.129 H 248.5°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX#519DE3
RGBrgb(81, 157, 227)
HSLhsl(209, 72%, 60%)
HSVhsv(209, 64%, 89%)
CMYKcmyk(64.3%, 30.8%, 0%, 11%)
CIE-LABlab(62.85, -2.06, -42.37)
CIE-LCHlch(62.85, 42.42, 267.21°)
OKLaboklab(67.8% -0.0471 -0.1197)
OKLCHoklch(67.8% 0.129 248.5)
XYZxyz(29.3103, 31.4064, 77.1755)
Luminance0.3141 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519DE3 #E39751
analogous
#51E3E0 #519DE3 #5154E3
triadic
#519DE3 #E3519D #9DE351
tetradic
#519DE3 #E051E3 #E39751 #54E351
square
#519DE3 #E051E3 #E39751 #54E351
split-complementary
#519DE3 #E35154 #E3E051
monochromatic
#1A60A0 #227FD5 #519DE3 #86BBEB #BAD8F4

Accessibility & contrast

On white

2.88
#519DE3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.28
#519DE3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DE3
7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519DE3#FFFFFF#000000##000000
##519DE31.002.887.287.28
#FFFFFF2.881.0021.0021.00
#0000007.2821.001.001.00
##0000007.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EA0E6
Deuteranopia (green-blind)
#6A92E2
Tritanopia (blue-blind)
#00AEB6
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #519de3;
/* rgb */ color: rgb(81, 157, 227);
/* oklch */ color: oklch(67.8% 0.129 248.5);
Tailwind
colors: {
  custom: {
    50: '#8fb9ec',
    500: '#519de3',
    950: '#000000',
  },
}
SCSS
$custom: #519de3;
$custom-light: #8fb9ec;
$custom-dark: #000000;
JSON
{
  "hex": "#519de3",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 227
  },
  "hsl": {
    "h": 208.767,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.67803,
    "c": 0.12868,
    "h": 248.5
  },
  "luminance": 0.31409
}

Semantic roles & 50–950 ramp

primary
#519DE3
secondary
#E4C7AC
accent
#6F11D4
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #519DE3

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

Preview Lab → · Contrast checker → · Palette generator →

#519DE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva