#63E1FE#63E1FE

#63E1FE is a very light, moderate cyan. Relative luminance 0.637; OKLCH L 85.0% C 0.118 H 215.4°. Best body text is #000000 at 13.73:1 contrast (WCAG AA passes).

Color values

HEX#63E1FE
RGBrgb(99, 225, 254)
HSLhsl(191, 99%, 69%)
HSVhsv(191, 61%, 100%)
CMYKcmyk(61%, 11.4%, 0%, 0.4%)
CIE-LABlab(83.79, -26.61, -24.54)
CIE-LCHlch(83.79, 36.20, 222.69°)
OKLaboklab(84.97% -0.0959 -0.0682)
OKLCHoklch(84.97% 0.118 215.4)
XYZxyz(49.9529, 63.6537, 103.4005)
Luminance0.6366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63E1FE #FE8063
analogous
#63FECE #63E1FE #6394FE
triadic
#63E1FE #FE63E1 #E1FE63
tetradic
#63E1FE #CE63FE #FE8063 #94FE63
square
#63E1FE #CE63FE #FE8063 #94FE63
split-complementary
#63E1FE #FE6394 #FECE63
monochromatic
#01BBE5 #26D5FE #63E1FE #A0EDFE #DDF8FF

Accessibility & contrast

On white

1.53
#63E1FE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.73
#63E1FE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E1FE
13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63E1FE#FFFFFF#000000##000000
##63E1FE1.001.5313.7313.73
#FFFFFF1.531.0021.0021.00
#00000013.7321.001.001.00
##00000013.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDDAFF
Deuteranopia (green-blind)
#B6CAFE
Tritanopia (blue-blind)
#00ECEA
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #63e1fe;
/* rgb */ color: rgb(99, 225, 254);
/* oklch */ color: oklch(85.0% 0.118 215.4);
Tailwind
colors: {
  custom: {
    50: '#9eeafe',
    500: '#63e1fe',
    950: '#000000',
  },
}
SCSS
$custom: #63e1fe;
$custom-light: #9eeafe;
$custom-dark: #000000;
JSON
{
  "hex": "#63e1fe",
  "rgb": {
    "r": 99,
    "g": 225,
    "b": 254
  },
  "hsl": {
    "h": 191.226,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.84972,
    "c": 0.11767,
    "h": 215.4
  },
  "luminance": 0.63659
}

Semantic roles & 50–950 ramp

primary
#63E1FE
secondary
#D94D2D
accent
#2B00E6
background
#FDFEFF
surface
#F7FDFF
border
#D0D5D7
text
#101617
muted
#818485

Preview Lab

Preview with #63E1FE

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

Preview Lab → · Contrast checker → · Palette generator →

#63E1FE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva