#63A8DC#63A8DC

#63A8DC is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.7% C 0.104 H 242.7°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX#63A8DC
RGBrgb(99, 168, 220)
HSLhsl(206, 63%, 63%)
HSVhsv(206, 55%, 86%)
CMYKcmyk(55%, 23.6%, 0%, 13.7%)
CIE-LABlab(66.38, -7.04, -32.94)
CIE-LCHlch(66.38, 33.69, 257.93°)
OKLaboklab(70.69% -0.0476 -0.0922)
OKLCHoklch(70.69% 0.104 242.7)
XYZxyz(32.0618, 35.8225, 72.9211)
Luminance0.3583 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A8DC #DC9763
analogous
#63DCD3 #63A8DC #636BDC
triadic
#63A8DC #DC63A8 #A8DC63
tetradic
#63A8DC #D363DC #DC9763 #6BDC63
square
#63A8DC #D363DC #DC9763 #6BDC63
split-complementary
#63A8DC #DC636B #DCD363
monochromatic
#246BA1 #318CD1 #63A8DC #95C4E7 #C7E0F2

Accessibility & contrast

On white

2.57
#63A8DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.16
#63A8DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8DC
8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A8DC#FFFFFF#000000##000000
##63A8DC1.002.578.168.16
#FFFFFF2.571.0021.0021.00
#0000008.1621.001.001.00
##0000008.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#91A8DE
Deuteranopia (green-blind)
#819CDB
Tritanopia (blue-blind)
#00B5BA
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63a8dc;
/* rgb */ color: rgb(99, 168, 220);
/* oklch */ color: oklch(70.7% 0.104 242.7);
Tailwind
colors: {
  custom: {
    50: '#98c1e7',
    500: '#63a8dc',
    950: '#000000',
  },
}
SCSS
$custom: #63a8dc;
$custom-light: #98c1e7;
$custom-dark: #000000;
JSON
{
  "hex": "#63a8dc",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 220
  },
  "hsl": {
    "h": 205.785,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.7069,
    "c": 0.10374,
    "h": 242.7
  },
  "luminance": 0.35825
}

Semantic roles & 50–950 ramp

primary
#63A8DC
secondary
#E3CAB7
accent
#661ACB
background
#F9FBFE
surface
#F2F7FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A8DC

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

Preview Lab → · Contrast checker → · Palette generator →

#63A8DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva