#519DE0#519DE0

#519DE0 is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.7% C 0.125 H 247.5°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#519DE0
RGBrgb(81, 157, 224)
HSLhsl(208, 70%, 60%)
HSVhsv(208, 64%, 88%)
CMYKcmyk(63.8%, 29.9%, 0%, 12.2%)
CIE-LABlab(62.71, -3.05, -40.93)
CIE-LCHlch(62.71, 41.04, 265.73°)
OKLaboklab(67.65% -0.048 -0.1155)
OKLCHoklch(67.65% 0.125 247.5)
XYZxyz(28.8999, 31.2422, 75.0139)
Luminance0.3125 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519DE0 #E09451
analogous
#51E0DC #519DE0 #5156E0
triadic
#519DE0 #E0519D #9DE051
tetradic
#519DE0 #DC51E0 #E09451 #56E051
square
#519DE0 #DC51E0 #E09451 #56E051
split-complementary
#519DE0 #E05156 #E0DC51
monochromatic
#1C5F9B #257FCF #519DE0 #85BAE9 #B9D8F3

Accessibility & contrast

On white

2.90
#519DE0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.25
#519DE0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DE0
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519DE0#FFFFFF#000000##000000
##519DE01.002.907.257.25
#FFFFFF2.901.0021.0021.00
#0000007.2521.001.001.00
##0000007.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#809FE3
Deuteranopia (green-blind)
#6C91DF
Tritanopia (blue-blind)
#00ADB5
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #519de0;
/* rgb */ color: rgb(81, 157, 224);
/* oklch */ color: oklch(67.7% 0.125 247.5);
Tailwind
colors: {
  custom: {
    50: '#8fb9ea',
    500: '#519de0',
    950: '#000000',
  },
}
SCSS
$custom: #519de0;
$custom-light: #8fb9ea;
$custom-dark: #000000;
JSON
{
  "hex": "#519de0",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 224
  },
  "hsl": {
    "h": 208.112,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.6765,
    "c": 0.12511,
    "h": 247.5
  },
  "luminance": 0.31245
}

Semantic roles & 50–950 ramp

primary
#519DE0
secondary
#E2C5AB
accent
#8E3BED
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #519DE0

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

Preview Lab → · Contrast checker → · Palette generator →

#519DE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva