#63CEE6#63CEE6

#63CEE6 is a light, moderate cyan. Relative luminance 0.525; OKLCH L 79.7% C 0.104 H 214.5°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX#63CEE6
RGBrgb(99, 206, 230)
HSLhsl(191, 72%, 65%)
HSVhsv(191, 57%, 90%)
CMYKcmyk(57%, 10.4%, 0%, 9.8%)
CIE-LABlab(77.58, -24.07, -21.20)
CIE-LCHlch(77.58, 32.07, 221.38°)
OKLaboklab(79.73% -0.0854 -0.0588)
OKLCHoklch(79.73% 0.104 214.5)
XYZxyz(41.4941, 52.5044, 82.7952)
Luminance0.5251 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CEE6 #E67B63
analogous
#63E6BC #63CEE6 #638DE6
triadic
#63CEE6 #E663CE #CEE663
tetradic
#63CEE6 #BC63E6 #E67B63 #8DE663
square
#63CEE6 #BC63E6 #E67B63 #8DE663
split-complementary
#63CEE6 #E6638D #E6BC63
monochromatic
#1D97B2 #2EBDDE #63CEE6 #98DFEE #CCEFF7

Accessibility & contrast

On white

1.83
#63CEE6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.50
#63CEE6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEE6
11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CEE6#FFFFFF#000000##000000
##63CEE61.001.8311.5011.50
#FFFFFF1.831.0021.0021.00
#00000011.5021.001.001.00
##00000011.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDC8E7
Deuteranopia (green-blind)
#A9B9E6
Tritanopia (blue-blind)
#00D7D5
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #63cee6;
/* rgb */ color: rgb(99, 206, 230);
/* oklch */ color: oklch(79.7% 0.104 214.5);
Tailwind
colors: {
  custom: {
    50: '#9addee',
    500: '#63cee6',
    950: '#000000',
  },
}
SCSS
$custom: #63cee6;
$custom-light: #9addee;
$custom-dark: #000000;
JSON
{
  "hex": "#63cee6",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 230
  },
  "hsl": {
    "h": 190.992,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.79729,
    "c": 0.10366,
    "h": 214.5
  },
  "luminance": 0.52508
}

Semantic roles & 50–950 ramp

primary
#63CEE6
secondary
#B3513B
accent
#3511D4
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1516
muted
#808485

Preview Lab

Preview with #63CEE6

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

Preview Lab → · Contrast checker → · Palette generator →

#63CEE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva