#63A3CF#63A3CF

#63A3CF is a light, moderate cyan. Relative luminance 0.334; OKLCH L 69.0% C 0.093 H 240.0°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#63A3CF
RGBrgb(99, 163, 207)
HSLhsl(204, 53%, 60%)
HSVhsv(204, 52%, 81%)
CMYKcmyk(52.2%, 21.3%, 0%, 18.8%)
CIE-LABlab(64.44, -8.20, -28.75)
CIE-LCHlch(64.44, 29.90, 254.08°)
OKLaboklab(68.98% -0.0463 -0.0802)
OKLCHoklch(68.98% 0.093 240)
XYZxyz(29.5012, 33.3496, 63.9019)
Luminance0.3335 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A3CF #CF8F63
analogous
#63CFC5 #63A3CF #636DCF
triadic
#63A3CF #CF63A3 #A3CF63
tetradic
#63A3CF #C563CF #CF8F63 #6DCF63
square
#63A3CF #C563CF #CF8F63 #6DCF63
split-complementary
#63A3CF #CF636D #CFC563
monochromatic
#2B658C #3A86BB #63A3CF #92BFDD #C1DAEC

Accessibility & contrast

On white

2.74
#63A3CF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.67
#63A3CF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3CF
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A3CF#FFFFFF#000000##000000
##63A3CF1.002.747.677.67
#FFFFFF2.741.0021.0021.00
#0000007.6721.001.001.00
##0000007.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8FA3D1
Deuteranopia (green-blind)
#8197CE
Tritanopia (blue-blind)
#23AEB2
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #63a3cf;
/* rgb */ color: rgb(99, 163, 207);
/* oklch */ color: oklch(69.0% 0.093 240.0);
Tailwind
colors: {
  custom: {
    50: '#96bedd',
    500: '#63a3cf',
    950: '#000000',
  },
}
SCSS
$custom: #63a3cf;
$custom-light: #96bedd;
$custom-dark: #000000;
JSON
{
  "hex": "#63a3cf",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 207
  },
  "hsl": {
    "h": 204.444,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.68983,
    "c": 0.09258,
    "h": 240
  },
  "luminance": 0.33352
}

Semantic roles & 50–950 ramp

primary
#63A3CF
secondary
#DCC3B2
accent
#864BDC
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63A3CF

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

Preview Lab → · Contrast checker → · Palette generator →

#63A3CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva