#519DCF#519DCF

#519DCF is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.106 H 239.8°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#519DCF
RGBrgb(81, 157, 207)
HSLhsl(204, 57%, 56%)
HSVhsv(204, 61%, 81%)
CMYKcmyk(60.9%, 24.2%, 0%, 18.8%)
CIE-LABlab(61.97, -8.57, -32.64)
CIE-LCHlch(61.97, 33.75, 255.28°)
OKLaboklab(66.82% -0.0533 -0.0916)
OKLCHoklch(66.82% 0.106 239.8)
XYZxyz(26.7086, 30.3657, 63.4730)
Luminance0.3037 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519DCF #CF8351
analogous
#51CFC2 #519DCF #515ECF
triadic
#519DCF #CF519D #9DCF51
tetradic
#519DCF #C251CF #CF8351 #5ECF51
square
#519DCF #C251CF #CF8351 #5ECF51
split-complementary
#519DCF #CF515E #CFC251
monochromatic
#245C82 #317FB2 #519DCF #81B8DC #B1D3E9

Accessibility & contrast

On white

2.97
#519DCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#519DCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DCF
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519DCF#FFFFFF#000000##000000
##519DCF1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#869DD1
Deuteranopia (green-blind)
#7590CE
Tritanopia (blue-blind)
#00AAAE
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #519dcf;
/* rgb */ color: rgb(81, 157, 207);
/* oklch */ color: oklch(66.8% 0.106 239.8);
Tailwind
colors: {
  custom: {
    50: '#8db9de',
    500: '#519dcf',
    950: '#000000',
  },
}
SCSS
$custom: #519dcf;
$custom-light: #8db9de;
$custom-dark: #000000;
JSON
{
  "hex": "#519dcf",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 207
  },
  "hsl": {
    "h": 203.81,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.66818,
    "c": 0.10595,
    "h": 239.8
  },
  "luminance": 0.30368
}

Semantic roles & 50–950 ramp

primary
#519DCF
secondary
#D8B9A4
accent
#8448E0
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #519DCF

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

Preview Lab → · Contrast checker → · Palette generator →

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