#63DAF5#63DAF5

#63DAF5 is a very light, moderate cyan. Relative luminance 0.594; OKLCH L 83.0% C 0.113 H 215.0°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX#63DAF5
RGBrgb(99, 218, 245)
HSLhsl(191, 88%, 67%)
HSVhsv(191, 60%, 96%)
CMYKcmyk(59.6%, 11%, 0%, 3.9%)
CIE-LABlab(81.50, -25.75, -23.25)
CIE-LCHlch(81.50, 34.69, 222.09°)
OKLaboklab(83.04% -0.0922 -0.0645)
OKLCHoklch(83.04% 0.113 215)
XYZxyz(46.6917, 59.3833, 95.3699)
Luminance0.5939 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63DAF5 #F57E63
analogous
#63F5C7 #63DAF5 #6391F5
triadic
#63DAF5 #F563DA #DAF563
tetradic
#63DAF5 #C763F5 #F57E63 #91F563
square
#63DAF5 #C763F5 #F57E63 #91F563
split-complementary
#63DAF5 #F56391 #F5C763
monochromatic
#0DACD0 #29CCF1 #63DAF5 #9DE8F9 #D6F5FC

Accessibility & contrast

On white

1.63
#63DAF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.88
#63DAF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DAF5
12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63DAF5#FFFFFF#000000##000000
##63DAF51.001.6312.8812.88
#FFFFFF1.631.0021.0021.00
#00000012.8821.001.001.00
##00000012.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C7D4F7
Deuteranopia (green-blind)
#B1C4F5
Tritanopia (blue-blind)
#00E4E2
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #63daf5;
/* rgb */ color: rgb(99, 218, 245);
/* oklch */ color: oklch(83.0% 0.113 215.0);
Tailwind
colors: {
  custom: {
    50: '#9ce5f8',
    500: '#63daf5',
    950: '#000000',
  },
}
SCSS
$custom: #63daf5;
$custom-light: #9ce5f8;
$custom-dark: #000000;
JSON
{
  "hex": "#63daf5",
  "rgb": {
    "r": 99,
    "g": 218,
    "b": 245
  },
  "hsl": {
    "h": 191.096,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.8304,
    "c": 0.11253,
    "h": 215
  },
  "luminance": 0.59388
}

Semantic roles & 50–950 ramp

primary
#63DAF5
secondary
#CC4D30
accent
#2B01E5
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1617
muted
#808485

Preview Lab

Preview with #63DAF5

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

Preview Lab → · Contrast checker → · Palette generator →

#63DAF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva