#63A3DB#63A3DB

#63A3DB is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.5% C 0.106 H 246.4°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#63A3DB
RGBrgb(99, 163, 219)
HSLhsl(208, 63%, 62%)
HSVhsv(208, 55%, 86%)
CMYKcmyk(54.8%, 25.6%, 0%, 14.1%)
CIE-LABlab(64.93, -4.57, -34.65)
CIE-LCHlch(64.93, 34.95, 262.48°)
OKLaboklab(69.53% -0.0423 -0.0971)
OKLCHoklch(69.53% 0.106 246.4)
XYZxyz(31.0244, 33.9589, 71.9239)
Luminance0.3396 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A3DB #DB9B63
analogous
#63DBD7 #63A3DB #6367DB
triadic
#63A3DB #DB63A3 #A3DB63
tetradic
#63A3DB #D763DB #DB9B63 #67DB63
square
#63A3DB #D763DB #DB9B63 #67DB63
split-complementary
#63A3DB #DB6367 #DBD763
monochromatic
#25669F #3186D0 #63A3DB #95C0E6 #C6DEF2

Accessibility & contrast

On white

2.69
#63A3DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.79
#63A3DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3DB
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A3DB#FFFFFF#000000##000000
##63A3DB1.002.697.797.79
#FFFFFF2.691.0021.0021.00
#0000007.7921.001.001.00
##0000007.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA4DE
Deuteranopia (green-blind)
#7B98DA
Tritanopia (blue-blind)
#06B0B6
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #63a3db;
/* rgb */ color: rgb(99, 163, 219);
/* oklch */ color: oklch(69.5% 0.106 246.4);
Tailwind
colors: {
  custom: {
    50: '#97bee6',
    500: '#63a3db',
    950: '#000000',
  },
}
SCSS
$custom: #63a3db;
$custom-light: #97bee6;
$custom-dark: #000000;
JSON
{
  "hex": "#63a3db",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 219
  },
  "hsl": {
    "h": 208,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.69528,
    "c": 0.10593,
    "h": 246.4
  },
  "luminance": 0.33962
}

Semantic roles & 50–950 ramp

primary
#63A3DB
secondary
#E3CBB7
accent
#6D1BCA
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A3DB

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

Preview Lab → · Contrast checker → · Palette generator →

#63A3DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva