#519DE9#519DE9

#519DE9 is a light, vivid cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.136 H 250.5°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX#519DE9
RGBrgb(81, 157, 233)
HSLhsl(210, 78%, 62%)
HSVhsv(210, 65%, 91%)
CMYKcmyk(65.2%, 32.6%, 0%, 8.6%)
CIE-LABlab(63.13, -0.07, -45.24)
CIE-LCHlch(63.13, 45.24, 269.91°)
OKLaboklab(68.12% -0.0454 -0.1281)
OKLCHoklch(68.12% 0.136 250.5)
XYZxyz(30.1529, 31.7434, 81.6130)
Luminance0.3175 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519DE9 #E99D51
analogous
#51E9E9 #519DE9 #5151E9
triadic
#519DE9 #E9519D #9DE951
tetradic
#519DE9 #E951E9 #E99D51 #51E951
square
#519DE9 #E951E9 #E99D51 #51E951
split-complementary
#519DE9 #E95151 #E9E951
monochromatic
#1660AA #1C7EE0 #519DE9 #87BCF0 #BEDAF7

Accessibility & contrast

On white

2.86
#519DE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.35
#519DE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DE9
7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519DE9#FFFFFF#000000##000000
##519DE91.002.867.357.35
#FFFFFF2.861.0021.0021.00
#0000007.3521.001.001.00
##0000007.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7CA1EC
Deuteranopia (green-blind)
#6792E7
Tritanopia (blue-blind)
#00AFB8
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #519de9;
/* rgb */ color: rgb(81, 157, 233);
/* oklch */ color: oklch(68.1% 0.136 250.5);
Tailwind
colors: {
  custom: {
    50: '#90b9f0',
    500: '#519de9',
    950: '#000000',
  },
}
SCSS
$custom: #519de9;
$custom-light: #90b9f0;
$custom-dark: #000000;
JSON
{
  "hex": "#519de9",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 233
  },
  "hsl": {
    "h": 210,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68116,
    "c": 0.13592,
    "h": 250.5
  },
  "luminance": 0.31746
}

Semantic roles & 50–950 ramp

primary
#519DE9
secondary
#E7CBAF
accent
#730CDA
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #519DE9

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

Preview Lab → · Contrast checker → · Palette generator →

#519DE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva