#519FDB#519FDB

#519FDB is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.8% C 0.118 H 244.1°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#519FDB
RGBrgb(81, 159, 219)
HSLhsl(206, 66%, 59%)
HSVhsv(206, 63%, 86%)
CMYKcmyk(63%, 27.4%, 0%, 14.1%)
CIE-LABlab(63.06, -5.82, -37.62)
CIE-LCHlch(63.06, 38.07, 261.20°)
OKLaboklab(67.85% -0.0515 -0.1059)
OKLCHoklch(67.85% 0.118 244.1)
XYZxyz(28.5729, 31.6572, 71.6088)
Luminance0.3166 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519FDB #DB8D51
analogous
#51DBD2 #519FDB #515ADB
triadic
#519FDB #DB519F #9FDB51
tetradic
#519FDB #D251DB #DB8D51 #5ADB51
square
#519FDB #D251DB #DB8D51 #5ADB51
split-complementary
#519FDB #DB515A #DBD251
monochromatic
#1E6093 #2982C6 #519FDB #84BBE5 #B6D7F0

Accessibility & contrast

On white

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

On black

7.33
#519FDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519FDB
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519FDB#FFFFFF#000000##000000
##519FDB1.002.867.337.33
#FFFFFF2.861.0021.0021.00
#0000007.3321.001.001.00
##0000007.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#84A0DE
Deuteranopia (green-blind)
#7293DA
Tritanopia (blue-blind)
#00AEB4
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #519fdb;
/* rgb */ color: rgb(81, 159, 219);
/* oklch */ color: oklch(67.8% 0.118 244.1);
Tailwind
colors: {
  custom: {
    50: '#8ebbe6',
    500: '#519fdb',
    950: '#000000',
  },
}
SCSS
$custom: #519fdb;
$custom-light: #8ebbe6;
$custom-dark: #000000;
JSON
{
  "hex": "#519fdb",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 219
  },
  "hsl": {
    "h": 206.087,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6785,
    "c": 0.1178,
    "h": 244.1
  },
  "luminance": 0.3166
}

Semantic roles & 50–950 ramp

primary
#519FDB
secondary
#DFC0A9
accent
#893FE9
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #519FDB

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

Preview Lab → · Contrast checker → · Palette generator →

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