#63D5FC#63D5FC

#63D5FC is a very light, moderate cyan. Relative luminance 0.573; OKLCH L 82.2% C 0.116 H 223.5°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX#63D5FC
RGBrgb(99, 213, 252)
HSLhsl(195, 96%, 69%)
HSVhsv(195, 61%, 99%)
CMYKcmyk(60.7%, 15.5%, 0%, 1.2%)
CIE-LABlab(80.33, -21.22, -28.76)
CIE-LCHlch(80.33, 35.74, 233.58°)
OKLaboklab(82.18% -0.0844 -0.0801)
OKLCHoklch(82.18% 0.116 223.5)
XYZxyz(46.5036, 57.2647, 100.6790)
Luminance0.5727 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D5FC #FC8A63
analogous
#63FCD7 #63D5FC #6389FC
triadic
#63D5FC #FC63D5 #D5FC63
tetradic
#63D5FC #D763FC #FC8A63 #89FC63
square
#63D5FC #D763FC #FC8A63 #89FC63
split-complementary
#63D5FC #FC6389 #FCD763
monochromatic
#04A8E0 #27C5FB #63D5FC #9FE5FD #DBF5FE

Accessibility & contrast

On white

1.69
#63D5FC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.45
#63D5FC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5FC
12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D5FC#FFFFFF#000000##000000
##63D5FC1.001.6912.4512.45
#FFFFFF1.691.0021.0021.00
#00000012.4521.001.001.00
##00000012.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFD0FE
Deuteranopia (green-blind)
#A9C0FC
Tritanopia (blue-blind)
#00E1E1
Achromatopsia (no color)
#C7C7C7

Design tokens & code

CSS
--color: #63d5fc;
/* rgb */ color: rgb(99, 213, 252);
/* oklch */ color: oklch(82.2% 0.116 223.5);
Tailwind
colors: {
  custom: {
    50: '#9de2fd',
    500: '#63d5fc',
    950: '#000000',
  },
}
SCSS
$custom: #63d5fc;
$custom-light: #9de2fd;
$custom-dark: #000000;
JSON
{
  "hex": "#63d5fc",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 252
  },
  "hsl": {
    "h": 195.294,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.8218,
    "c": 0.1164,
    "h": 223.5
  },
  "luminance": 0.57269
}

Semantic roles & 50–950 ramp

primary
#63D5FC
secondary
#D6582D
accent
#3A00E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63D5FC

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

Preview Lab → · Contrast checker → · Palette generator →

#63D5FC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva