#63A8F8#63A8F8

#63A8F8 is a light, vivid cyan. Relative luminance 0.374; OKLCH L 72.0% C 0.137 H 253.3°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#63A8F8
RGBrgb(99, 168, 248)
HSLhsl(212, 91%, 68%)
HSVhsv(212, 60%, 97%)
CMYKcmyk(60.1%, 32.3%, 0%, 2.7%)
CIE-LABlab(67.60, 1.71, -46.38)
CIE-LCHlch(67.60, 46.41, 272.11°)
OKLaboklab(72.05% -0.0393 -0.1311)
OKLCHoklch(72.05% 0.137 253.3)
XYZxyz(36.0854, 37.4319, 94.1122)
Luminance0.3744 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A8F8 #F8B363
analogous
#63F2F8 #63A8F8 #6863F8
triadic
#63A8F8 #F863A8 #A8F863
tetradic
#63A8F8 #F863F2 #F8B363 #63F868
square
#63A8F8 #F863F2 #F8B363 #63F868
split-complementary
#63A8F8 #F86863 #F2F863
monochromatic
#0A69D7 #2887F5 #63A8F8 #9EC9FB #D8E9FD

Accessibility & contrast

On white

2.47
#63A8F8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#63A8F8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8F8
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A8F8#FFFFFF#000000##000000
##63A8F81.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#86ADFB
Deuteranopia (green-blind)
#729EF6
Tritanopia (blue-blind)
#00BAC5
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #63a8f8;
/* rgb */ color: rgb(99, 168, 248);
/* oklch */ color: oklch(72.0% 0.137 253.3);
Tailwind
colors: {
  custom: {
    50: '#9bc1fb',
    500: '#63a8f8',
    950: '#000000',
  },
}
SCSS
$custom: #63a8f8;
$custom-light: #9bc1fb;
$custom-dark: #000000;
JSON
{
  "hex": "#63a8f8",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 248
  },
  "hsl": {
    "h": 212.215,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.72046,
    "c": 0.13683,
    "h": 253.3
  },
  "luminance": 0.37435
}

Semantic roles & 50–950 ramp

primary
#63A8F8
secondary
#F2DDC5
accent
#7B00E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A8F8

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

Preview Lab → · Contrast checker → · Palette generator →

#63A8F8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva