#63AFDB#63AFDB

#63AFDB is a light, moderate cyan. Relative luminance 0.384; OKLCH L 72.2% C 0.099 H 235.8°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX#63AFDB
RGBrgb(99, 175, 219)
HSLhsl(202, 63%, 62%)
HSVhsv(202, 55%, 86%)
CMYKcmyk(54.8%, 20.1%, 0%, 14.1%)
CIE-LABlab(68.33, -11.17, -29.38)
CIE-LCHlch(68.33, 31.43, 249.19°)
OKLaboklab(72.22% -0.0557 -0.0819)
OKLCHoklch(72.22% 0.099 235.8)
XYZxyz(33.2570, 38.4242, 72.6681)
Luminance0.3843 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AFDB #DB8F63
analogous
#63DBCB #63AFDB #6373DB
triadic
#63AFDB #DB63AF #AFDB63
tetradic
#63AFDB #CB63DB #DB8F63 #73DB63
square
#63AFDB #CB63DB #DB8F63 #73DB63
split-complementary
#63AFDB #DB6373 #DBCB63
monochromatic
#25729F #3196D0 #63AFDB #95C9E6 #C6E2F2

Accessibility & contrast

On white

2.42
#63AFDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.69
#63AFDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFDB
8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AFDB#FFFFFF#000000##000000
##63AFDB1.002.428.698.69
#FFFFFF2.421.0021.0021.00
#0000008.6921.001.001.00
##0000008.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AAEDD
Deuteranopia (green-blind)
#8AA1DA
Tritanopia (blue-blind)
#00BABE
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #63afdb;
/* rgb */ color: rgb(99, 175, 219);
/* oklch */ color: oklch(72.2% 0.099 235.8);
Tailwind
colors: {
  custom: {
    50: '#98c6e6',
    500: '#63afdb',
    950: '#000000',
  },
}
SCSS
$custom: #63afdb;
$custom-light: #98c6e6;
$custom-dark: #000000;
JSON
{
  "hex": "#63afdb",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 219
  },
  "hsl": {
    "h": 202,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.72219,
    "c": 0.0991,
    "h": 235.8
  },
  "luminance": 0.38427
}

Semantic roles & 50–950 ramp

primary
#63AFDB
secondary
#E3C7B7
accent
#5B1BCA
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #63AFDB

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

Preview Lab → · Contrast checker → · Palette generator →

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