#63A3DC#63A3DC

#63A3DC is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.6% C 0.107 H 246.9°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#63A3DC
RGBrgb(99, 163, 220)
HSLhsl(208, 63%, 63%)
HSVhsv(208, 55%, 86%)
CMYKcmyk(55%, 25.9%, 0%, 13.7%)
CIE-LABlab(64.97, -4.26, -35.13)
CIE-LCHlch(64.97, 35.39, 263.08°)
OKLaboklab(69.58% -0.042 -0.0985)
OKLCHoklch(69.58% 0.107 246.9)
XYZxyz(31.1564, 34.0117, 72.6193)
Luminance0.3401 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A3DC #DC9C63
analogous
#63DCD8 #63A3DC #6367DC
triadic
#63A3DC #DC63A3 #A3DC63
tetradic
#63A3DC #D863DC #DC9C63 #67DC63
square
#63A3DC #D863DC #DC9C63 #67DC63
split-complementary
#63A3DC #DC6367 #DCD863
monochromatic
#2466A1 #3186D1 #63A3DC #95C0E7 #C7DEF2

Accessibility & contrast

On white

2.69
#63A3DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.80
#63A3DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3DC
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A3DC#FFFFFF#000000##000000
##63A3DC1.002.697.807.80
#FFFFFF2.691.0021.0021.00
#0000007.8021.001.001.00
##0000007.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA4DF
Deuteranopia (green-blind)
#7B98DB
Tritanopia (blue-blind)
#02B0B7
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #63a3dc;
/* rgb */ color: rgb(99, 163, 220);
/* oklch */ color: oklch(69.6% 0.107 246.9);
Tailwind
colors: {
  custom: {
    50: '#97bee7',
    500: '#63a3dc',
    950: '#000000',
  },
}
SCSS
$custom: #63a3dc;
$custom-light: #97bee7;
$custom-dark: #000000;
JSON
{
  "hex": "#63a3dc",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 220
  },
  "hsl": {
    "h": 208.264,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.69575,
    "c": 0.10709,
    "h": 246.9
  },
  "luminance": 0.34014
}

Semantic roles & 50–950 ramp

primary
#63A3DC
secondary
#E3CCB7
accent
#6E1ACB
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A3DC

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

Preview Lab → · Contrast checker → · Palette generator →

#63A3DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva