#63CFF5#63CFF5

#63CFF5 is a light, moderate cyan. Relative luminance 0.539; OKLCH L 80.5% C 0.112 H 224.0°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX#63CFF5
RGBrgb(99, 207, 245)
HSLhsl(196, 88%, 67%)
HSVhsv(196, 60%, 96%)
CMYKcmyk(59.6%, 15.5%, 0%, 3.9%)
CIE-LABlab(78.38, -20.23, -28.01)
CIE-LCHlch(78.38, 34.55, 234.16°)
OKLaboklab(80.54% -0.0808 -0.078)
OKLCHoklch(80.54% 0.112 224)
XYZxyz(43.9333, 53.8665, 94.4505)
Luminance0.5387 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CFF5 #F58963
analogous
#63F5D2 #63CFF5 #6386F5
triadic
#63CFF5 #F563CF #CFF563
tetradic
#63CFF5 #D263F5 #F58963 #86F563
square
#63CFF5 #D263F5 #F58963 #86F563
split-complementary
#63CFF5 #F56386 #F5D263
monochromatic
#0D9ED0 #29BDF1 #63CFF5 #9DE1F9 #D6F2FC

Accessibility & contrast

On white

1.78
#63CFF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.77
#63CFF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFF5
11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CFF5#FFFFFF#000000##000000
##63CFF51.001.7811.7711.77
#FFFFFF1.781.0021.0021.00
#00000011.7721.001.001.00
##00000011.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BACBF7
Deuteranopia (green-blind)
#A5BBF5
Tritanopia (blue-blind)
#00DBDB
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #63cff5;
/* rgb */ color: rgb(99, 207, 245);
/* oklch */ color: oklch(80.5% 0.112 224.0);
Tailwind
colors: {
  custom: {
    50: '#9cddf8',
    500: '#63cff5',
    950: '#000000',
  },
}
SCSS
$custom: #63cff5;
$custom-light: #9cddf8;
$custom-dark: #000000;
JSON
{
  "hex": "#63cff5",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 245
  },
  "hsl": {
    "h": 195.616,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.80543,
    "c": 0.11231,
    "h": 224
  },
  "luminance": 0.53871
}

Semantic roles & 50–950 ramp

primary
#63CFF5
secondary
#CC5930
accent
#3C01E5
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63CFF5

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

Preview Lab → · Contrast checker → · Palette generator →

#63CFF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva