#63CEE7#63CEE7

#63CEE7 is a light, moderate cyan. Relative luminance 0.526; OKLCH L 79.8% C 0.104 H 215.3°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX#63CEE7
RGBrgb(99, 206, 231)
HSLhsl(191, 73%, 65%)
HSVhsv(191, 57%, 91%)
CMYKcmyk(57.1%, 10.8%, 0%, 9.4%)
CIE-LABlab(77.61, -23.78, -21.69)
CIE-LCHlch(77.61, 32.19, 222.36°)
OKLaboklab(79.77% -0.085 -0.0601)
OKLCHoklch(79.77% 0.104 215.3)
XYZxyz(41.6349, 52.5607, 83.5369)
Luminance0.5256 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CEE7 #E77C63
analogous
#63E7BE #63CEE7 #638CE7
triadic
#63CEE7 #E763CE #CEE763
tetradic
#63CEE7 #BE63E7 #E77C63 #8CE763
square
#63CEE7 #BE63E7 #E77C63 #8CE763
split-complementary
#63CEE7 #E7638C #E7BE63
monochromatic
#1C97B4 #2EBDDF #63CEE7 #98DFEF #CDEFF7

Accessibility & contrast

On white

1.82
#63CEE7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.51
#63CEE7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEE7
11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CEE7#FFFFFF#000000##000000
##63CEE71.001.8211.5111.51
#FFFFFF1.821.0021.0021.00
#00000011.5121.001.001.00
##00000011.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCC8E8
Deuteranopia (green-blind)
#A9B9E7
Tritanopia (blue-blind)
#00D7D6
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #63cee7;
/* rgb */ color: rgb(99, 206, 231);
/* oklch */ color: oklch(79.8% 0.104 215.3);
Tailwind
colors: {
  custom: {
    50: '#9addee',
    500: '#63cee7',
    950: '#000000',
  },
}
SCSS
$custom: #63cee7;
$custom-light: #9addee;
$custom-dark: #000000;
JSON
{
  "hex": "#63cee7",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 231
  },
  "hsl": {
    "h": 191.364,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.79767,
    "c": 0.10412,
    "h": 215.3
  },
  "luminance": 0.52565
}

Semantic roles & 50–950 ramp

primary
#63CEE7
secondary
#B4513A
accent
#3510D5
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1516
muted
#808485

Preview Lab

Preview with #63CEE7

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

Preview Lab → · Contrast checker → · Palette generator →

#63CEE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva