#63CFF8#63CFF8

#63CFF8 is a light, moderate cyan. Relative luminance 0.541; OKLCH L 80.7% C 0.114 H 225.8°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#63CFF8
RGBrgb(99, 207, 248)
HSLhsl(197, 91%, 68%)
HSVhsv(197, 60%, 97%)
CMYKcmyk(60.1%, 16.5%, 0%, 2.7%)
CIE-LABlab(78.49, -19.35, -29.45)
CIE-LCHlch(78.49, 35.23, 236.69°)
OKLaboklab(80.66% -0.0797 -0.0821)
OKLCHoklch(80.66% 0.114 225.8)
XYZxyz(44.3950, 54.0512, 96.8820)
Luminance0.5406 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CFF8 #F88C63
analogous
#63F8D6 #63CFF8 #6384F8
triadic
#63CFF8 #F863CF #CFF863
tetradic
#63CFF8 #D663F8 #F88C63 #84F863
square
#63CFF8 #D663F8 #F88C63 #84F863
split-complementary
#63CFF8 #F86384 #F8D663
monochromatic
#0A9ED7 #28BDF5 #63CFF8 #9EE1FB #D8F3FD

Accessibility & contrast

On white

1.78
#63CFF8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.81
#63CFF8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFF8
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CFF8#FFFFFF#000000##000000
##63CFF81.001.7811.8111.81
#FFFFFF1.781.0021.0021.00
#00000011.8121.001.001.00
##00000011.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9CBFA
Deuteranopia (green-blind)
#A4BBF8
Tritanopia (blue-blind)
#00DBDC
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #63cff8;
/* rgb */ color: rgb(99, 207, 248);
/* oklch */ color: oklch(80.7% 0.114 225.8);
Tailwind
colors: {
  custom: {
    50: '#9cddfa',
    500: '#63cff8',
    950: '#000000',
  },
}
SCSS
$custom: #63cff8;
$custom-light: #9cddfa;
$custom-dark: #000000;
JSON
{
  "hex": "#63cff8",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 248
  },
  "hsl": {
    "h": 196.51,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.80665,
    "c": 0.11442,
    "h": 225.8
  },
  "luminance": 0.54056
}

Semantic roles & 50–950 ramp

primary
#63CFF8
secondary
#D15B2E
accent
#3F00E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63CFF8

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

Preview Lab → · Contrast checker → · Palette generator →

#63CFF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva