#63ADCD#63ADCD

#63ADCD is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.2% C 0.087 H 227.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#63ADCD
RGBrgb(99, 173, 205)
HSLhsl(198, 51%, 60%)
HSVhsv(198, 52%, 80%)
CMYKcmyk(51.7%, 15.6%, 0%, 19.6%)
CIE-LABlab(67.24, -14.21, -23.36)
CIE-LCHlch(67.24, 27.34, 238.68°)
OKLaboklab(71.18% -0.0585 -0.0648)
OKLCHoklch(71.18% 0.087 227.9)
XYZxyz(31.1045, 36.9450, 63.2377)
Luminance0.3695 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ADCD #CD8363
analogous
#63CDB8 #63ADCD #6378CD
triadic
#63ADCD #CD63AD #ADCD63
tetradic
#63ADCD #B863CD #CD8363 #78CD63
square
#63ADCD #B863CD #CD8363 #78CD63
split-complementary
#63ADCD #CD6378 #CDB863
monochromatic
#2C6D8A #3B92B8 #63ADCD #91C5DC #C0DEEB

Accessibility & contrast

On white

2.50
#63ADCD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#63ADCD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADCD
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ADCD#FFFFFF#000000##000000
##63ADCD1.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CAACF
Deuteranopia (green-blind)
#8D9FCD
Tritanopia (blue-blind)
#21B6B7
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63adcd;
/* rgb */ color: rgb(99, 173, 205);
/* oklch */ color: oklch(71.2% 0.087 227.9);
Tailwind
colors: {
  custom: {
    50: '#96c5dc',
    500: '#63adcd',
    950: '#000000',
  },
}
SCSS
$custom: #63adcd;
$custom-light: #96c5dc;
$custom-dark: #000000;
JSON
{
  "hex": "#63adcd",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 205
  },
  "hsl": {
    "h": 198.113,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.71175,
    "c": 0.08731,
    "h": 227.9
  },
  "luminance": 0.36948
}

Semantic roles & 50–950 ramp

primary
#63ADCD
secondary
#DABEB1
accent
#784DDB
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #63ADCD

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

Preview Lab → · Contrast checker → · Palette generator →

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