#63CDF5#63CDF5

#63CDF5 is a light, moderate cyan. Relative luminance 0.529; OKLCH L 80.1% C 0.113 H 225.6°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX#63CDF5
RGBrgb(99, 205, 245)
HSLhsl(196, 88%, 67%)
HSVhsv(196, 60%, 96%)
CMYKcmyk(59.6%, 16.3%, 0%, 3.9%)
CIE-LABlab(77.82, -19.21, -28.88)
CIE-LCHlch(77.82, 34.68, 236.37°)
OKLaboklab(80.09% -0.0787 -0.0805)
OKLCHoklch(80.09% 0.113 225.6)
XYZxyz(43.4519, 52.9036, 94.2900)
Luminance0.5291 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CDF5 #F58B63
analogous
#63F5D4 #63CDF5 #6384F5
triadic
#63CDF5 #F563CD #CDF563
tetradic
#63CDF5 #D463F5 #F58B63 #84F563
square
#63CDF5 #D463F5 #F58B63 #84F563
split-complementary
#63CDF5 #F56384 #F5D463
monochromatic
#0D9BD0 #29BBF1 #63CDF5 #9DDFF9 #D6F2FC

Accessibility & contrast

On white

1.81
#63CDF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.58
#63CDF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDF5
11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CDF5#FFFFFF#000000##000000
##63CDF51.001.8111.5811.58
#FFFFFF1.811.0021.0021.00
#00000011.5821.001.001.00
##00000011.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7C9F7
Deuteranopia (green-blind)
#A2BAF5
Tritanopia (blue-blind)
#00D9DA
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #63cdf5;
/* rgb */ color: rgb(99, 205, 245);
/* oklch */ color: oklch(80.1% 0.113 225.6);
Tailwind
colors: {
  custom: {
    50: '#9cdcf8',
    500: '#63cdf5',
    950: '#000000',
  },
}
SCSS
$custom: #63cdf5;
$custom-light: #9cdcf8;
$custom-dark: #000000;
JSON
{
  "hex": "#63cdf5",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 245
  },
  "hsl": {
    "h": 196.438,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.80091,
    "c": 0.11258,
    "h": 225.6
  },
  "luminance": 0.52908
}

Semantic roles & 50–950 ramp

primary
#63CDF5
secondary
#CC5B30
accent
#3F01E5
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63CDF5

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

Preview Lab → · Contrast checker → · Palette generator →

#63CDF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva