#63DCF8#63DCF8

#63DCF8 is a very light, moderate cyan. Relative luminance 0.606; OKLCH L 83.6% C 0.114 H 215.4°. Best body text is #000000 at 13.12:1 contrast (WCAG AA passes).

Color values

HEX#63DCF8
RGBrgb(99, 220, 248)
HSLhsl(191, 91%, 68%)
HSVhsv(191, 60%, 97%)
CMYKcmyk(60.1%, 11.3%, 0%, 2.7%)
CIE-LABlab(82.17, -25.87, -23.83)
CIE-LCHlch(82.17, 35.17, 222.64°)
OKLaboklab(83.61% -0.0931 -0.0662)
OKLCHoklch(83.61% 0.114 215.4)
XYZxyz(47.6752, 60.6115, 97.9754)
Luminance0.6062 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63DCF8 #F87F63
analogous
#63F8C9 #63DCF8 #6391F8
triadic
#63DCF8 #F863DC #DCF863
tetradic
#63DCF8 #C963F8 #F87F63 #91F863
square
#63DCF8 #C963F8 #F87F63 #91F863
split-complementary
#63DCF8 #F86391 #F8C963
monochromatic
#0AB0D7 #28CFF5 #63DCF8 #9EE9FB #D8F6FD

Accessibility & contrast

On white

1.60
#63DCF8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.12
#63DCF8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DCF8
13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63DCF8#FFFFFF#000000##000000
##63DCF81.001.6013.1213.12
#FFFFFF1.601.0021.0021.00
#00000013.1221.001.001.00
##00000013.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8D6FA
Deuteranopia (green-blind)
#B2C5F8
Tritanopia (blue-blind)
#00E6E5
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #63dcf8;
/* rgb */ color: rgb(99, 220, 248);
/* oklch */ color: oklch(83.6% 0.114 215.4);
Tailwind
colors: {
  custom: {
    50: '#9de7fa',
    500: '#63dcf8',
    950: '#000000',
  },
}
SCSS
$custom: #63dcf8;
$custom-light: #9de7fa;
$custom-dark: #000000;
JSON
{
  "hex": "#63dcf8",
  "rgb": {
    "r": 99,
    "g": 220,
    "b": 248
  },
  "hsl": {
    "h": 191.275,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.83609,
    "c": 0.11421,
    "h": 215.4
  },
  "luminance": 0.60616
}

Semantic roles & 50–950 ramp

primary
#63DCF8
secondary
#D14D2E
accent
#2B00E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#101617
muted
#808485

Preview Lab

Preview with #63DCF8

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

Preview Lab → · Contrast checker → · Palette generator →

#63DCF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva