#63CDFD#63CDFD

#63CDFD is a light, moderate cyan. Relative luminance 0.534; OKLCH L 80.4% C 0.119 H 230.3°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#63CDFD
RGBrgb(99, 205, 253)
HSLhsl(199, 97%, 69%)
HSVhsv(199, 61%, 99%)
CMYKcmyk(60.9%, 19%, 0%, 0.8%)
CIE-LABlab(78.11, -16.83, -32.70)
CIE-LCHlch(78.11, 36.78, 242.77°)
OKLaboklab(80.42% -0.0759 -0.0914)
OKLCHoklch(80.42% 0.119 230.3)
XYZxyz(44.6996, 53.4027, 100.8615)
Luminance0.5341 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CDFD #FD9363
analogous
#63FDE0 #63CDFD #6380FD
triadic
#63CDFD #FD63CD #CDFD63
tetradic
#63CDFD #E063FD #FD9363 #80FD63
square
#63CDFD #E063FD #FD9363 #80FD63
split-complementary
#63CDFD #FD6380 #FDE063
monochromatic
#039DE3 #27BAFC #63CDFD #9FE0FE #DCF4FF

Accessibility & contrast

On white

1.80
#63CDFD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.68
#63CDFD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDFD
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CDFD#FFFFFF#000000##000000
##63CDFD1.001.8011.6811.68
#FFFFFF1.801.0021.0021.00
#00000011.6821.001.001.00
##00000011.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5CAFF
Deuteranopia (green-blind)
#9FBAFC
Tritanopia (blue-blind)
#00DADD
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #63cdfd;
/* rgb */ color: rgb(99, 205, 253);
/* oklch */ color: oklch(80.4% 0.119 230.3);
Tailwind
colors: {
  custom: {
    50: '#9cdcfe',
    500: '#63cdfd',
    950: '#000000',
  },
}
SCSS
$custom: #63cdfd;
$custom-light: #9cdcfe;
$custom-dark: #000000;
JSON
{
  "hex": "#63cdfd",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 253
  },
  "hsl": {
    "h": 198.701,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.80423,
    "c": 0.11877,
    "h": 230.3
  },
  "luminance": 0.53407
}

Semantic roles & 50–950 ramp

primary
#63CDFD
secondary
#D7622D
accent
#4800E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63CDFD

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

Preview Lab → · Contrast checker → · Palette generator →

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