#519FE4#519FE4

#519FE4 is a light, vivid cyan. Relative luminance 0.321; OKLCH L 68.3% C 0.128 H 247.6°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX#519FE4
RGBrgb(81, 159, 228)
HSLhsl(208, 73%, 61%)
HSVhsv(208, 64%, 89%)
CMYKcmyk(64.5%, 30.3%, 0%, 10.6%)
CIE-LABlab(63.46, -2.87, -41.97)
CIE-LCHlch(63.46, 42.06, 266.09°)
OKLaboklab(68.3% -0.0488 -0.1185)
OKLCHoklch(68.3% 0.128 247.6)
XYZxyz(29.7899, 32.1440, 78.0182)
Luminance0.3215 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519FE4 #E49651
analogous
#51E4DF #519FE4 #5155E4
triadic
#519FE4 #E4519F #9FE451
tetradic
#519FE4 #DF51E4 #E49651 #55E451
square
#519FE4 #DF51E4 #E49651 #55E451
split-complementary
#519FE4 #E45155 #E4DF51
monochromatic
#1961A2 #2181D7 #519FE4 #86BCEC #BBD9F4

Accessibility & contrast

On white

2.83
#519FE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.43
#519FE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519FE4
7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519FE4#FFFFFF#000000##000000
##519FE41.002.837.437.43
#FFFFFF2.831.0021.0021.00
#0000007.4321.001.001.00
##0000007.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#81A2E7
Deuteranopia (green-blind)
#6D93E3
Tritanopia (blue-blind)
#00AFB7
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #519fe4;
/* rgb */ color: rgb(81, 159, 228);
/* oklch */ color: oklch(68.3% 0.128 247.6);
Tailwind
colors: {
  custom: {
    50: '#8fbbed',
    500: '#519fe4',
    950: '#000000',
  },
}
SCSS
$custom: #519fe4;
$custom-light: #8fbbed;
$custom-dark: #000000;
JSON
{
  "hex": "#519fe4",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 228
  },
  "hsl": {
    "h": 208.163,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.683,
    "c": 0.1282,
    "h": 247.6
  },
  "luminance": 0.32147
}

Semantic roles & 50–950 ramp

primary
#519FE4
secondary
#E4C7AC
accent
#6D10D5
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #519FE4

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

Preview Lab → · Contrast checker → · Palette generator →

#519FE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva