#519DDF#519DDF

#519DDF is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.6% C 0.124 H 247.1°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#519DDF
RGBrgb(81, 157, 223)
HSLhsl(208, 69%, 60%)
HSVhsv(208, 64%, 87%)
CMYKcmyk(63.7%, 29.6%, 0%, 12.5%)
CIE-LABlab(62.67, -3.38, -40.45)
CIE-LCHlch(62.67, 40.59, 265.22°)
OKLaboklab(67.6% -0.0483 -0.1141)
OKLCHoklch(67.6% 0.124 247.1)
XYZxyz(28.7646, 31.1881, 74.3017)
Luminance0.3119 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519DDF #DF9351
analogous
#51DFDA #519DDF #5156DF
triadic
#519DDF #DF519D #9DDF51
tetradic
#519DDF #DA51DF #DF9351 #56DF51
square
#519DDF #DA51DF #DF9351 #56DF51
split-complementary
#519DDF #DF5156 #DFDA51
monochromatic
#1C5F99 #267FCD #519DDF #85BAE9 #B8D7F2

Accessibility & contrast

On white

2.90
#519DDF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.24
#519DDF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DDF
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519DDF#FFFFFF#000000##000000
##519DDF1.002.907.247.24
#FFFFFF2.901.0021.0021.00
#0000007.2421.001.001.00
##0000007.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#809FE2
Deuteranopia (green-blind)
#6D91DE
Tritanopia (blue-blind)
#00ADB4
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #519ddf;
/* rgb */ color: rgb(81, 157, 223);
/* oklch */ color: oklch(67.6% 0.124 247.1);
Tailwind
colors: {
  custom: {
    50: '#8fb9e9',
    500: '#519ddf',
    950: '#000000',
  },
}
SCSS
$custom: #519ddf;
$custom-light: #8fb9e9;
$custom-dark: #000000;
JSON
{
  "hex": "#519ddf",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 223
  },
  "hsl": {
    "h": 207.887,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67599,
    "c": 0.12393,
    "h": 247.1
  },
  "luminance": 0.31191
}

Semantic roles & 50–950 ramp

primary
#519DDF
secondary
#E1C4AA
accent
#8E3CEC
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #519DDF

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

Preview Lab → · Contrast checker → · Palette generator →

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