#519BD4#519BD4

#519BD4 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.113 H 243.9°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#519BD4
RGBrgb(81, 155, 212)
HSLhsl(206, 60%, 57%)
HSVhsv(206, 62%, 83%)
CMYKcmyk(61.8%, 26.9%, 0%, 16.9%)
CIE-LABlab(61.60, -5.84, -36.00)
CIE-LCHlch(61.60, 36.47, 260.78°)
OKLaboklab(66.6% -0.0495 -0.1013)
OKLCHoklch(66.6% 0.113 243.9)
XYZxyz(26.9939, 29.9429, 66.6316)
Luminance0.2994 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519BD4 #D48A51
analogous
#51D4CC #519BD4 #5159D4
triadic
#519BD4 #D4519B #9BD451
tetradic
#519BD4 #CC51D4 #D48A51 #59D451
square
#519BD4 #CC51D4 #D48A51 #59D451
split-complementary
#519BD4 #D45159 #D4CC51
monochromatic
#225C89 #2E7DBA #519BD4 #82B7E0 #B3D3EC

Accessibility & contrast

On white

3.00
#519BD4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.99
#519BD4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519BD4
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519BD4#FFFFFF#000000##000000
##519BD41.003.006.996.99
#FFFFFF3.001.0021.0021.00
#0000006.9921.001.001.00
##0000006.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#829CD7
Deuteranopia (green-blind)
#708FD3
Tritanopia (blue-blind)
#00A9AF
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #519bd4;
/* rgb */ color: rgb(81, 155, 212);
/* oklch */ color: oklch(66.6% 0.113 243.9);
Tailwind
colors: {
  custom: {
    50: '#8db8e1',
    500: '#519bd4',
    950: '#000000',
  },
}
SCSS
$custom: #519bd4;
$custom-light: #8db8e1;
$custom-dark: #000000;
JSON
{
  "hex": "#519bd4",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 206.107,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66601,
    "c": 0.11273,
    "h": 243.9
  },
  "luminance": 0.29945
}

Semantic roles & 50–950 ramp

primary
#519BD4
secondary
#DBBDA6
accent
#8A44E4
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #519BD4

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

Preview Lab → · Contrast checker → · Palette generator →

#519BD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva