#519BCF#519BCF

#519BCF is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.4% C 0.107 H 241.5°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX#519BCF
RGBrgb(81, 155, 207)
HSLhsl(205, 57%, 56%)
HSVhsv(205, 61%, 81%)
CMYKcmyk(60.9%, 25.1%, 0%, 18.8%)
CIE-LABlab(61.39, -7.46, -33.54)
CIE-LCHlch(61.39, 34.36, 257.47°)
OKLaboklab(66.36% -0.0511 -0.0942)
OKLCHoklch(66.36% 0.107 241.5)
XYZxyz(26.3729, 29.6945, 63.3611)
Luminance0.2970 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519BCF #CF8551
analogous
#51CFC4 #519BCF #515CCF
triadic
#519BCF #CF519B #9BCF51
tetradic
#519BCF #C451CF #CF8551 #5CCF51
square
#519BCF #C451CF #CF8551 #5CCF51
split-complementary
#519BCF #CF515C #CFC451
monochromatic
#245B82 #317DB2 #519BCF #81B7DC #B1D2E9

Accessibility & contrast

On white

3.03
#519BCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.94
#519BCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519BCF
6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519BCF#FFFFFF#000000##000000
##519BCF1.003.036.946.94
#FFFFFF3.031.0021.0021.00
#0000006.9421.001.001.00
##0000006.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#849BD1
Deuteranopia (green-blind)
#738FCE
Tritanopia (blue-blind)
#00A8AD
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #519bcf;
/* rgb */ color: rgb(81, 155, 207);
/* oklch */ color: oklch(66.4% 0.107 241.5);
Tailwind
colors: {
  custom: {
    50: '#8db8de',
    500: '#519bcf',
    950: '#000000',
  },
}
SCSS
$custom: #519bcf;
$custom-light: #8db8de;
$custom-dark: #000000;
JSON
{
  "hex": "#519bcf",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 207
  },
  "hsl": {
    "h": 204.762,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.6636,
    "c": 0.10716,
    "h": 241.5
  },
  "luminance": 0.29697
}

Semantic roles & 50–950 ramp

primary
#519BCF
secondary
#D8B9A4
accent
#8748E0
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #519BCF

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

Preview Lab → · Contrast checker → · Palette generator →

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