#63A8EA#63A8EA

#63A8EA is a light, moderate cyan. Relative luminance 0.366; OKLCH L 71.3% C 0.120 H 248.8°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX#63A8EA
RGBrgb(99, 168, 234)
HSLhsl(209, 76%, 65%)
HSVhsv(209, 58%, 92%)
CMYKcmyk(57.7%, 28.2%, 0%, 8.2%)
CIE-LABlab(66.97, -2.72, -39.72)
CIE-LCHlch(66.97, 39.81, 266.08°)
OKLaboklab(71.35% -0.0432 -0.1117)
OKLCHoklch(71.35% 0.12 248.8)
XYZxyz(33.9941, 36.5954, 83.0981)
Luminance0.3660 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A8EA #EAA563
analogous
#63EAE8 #63A8EA #6365EA
triadic
#63A8EA #EA63A8 #A8EA63
tetradic
#63A8EA #E863EA #EAA563 #65EA63
square
#63A8EA #E863EA #EAA563 #65EA63
split-complementary
#63A8EA #EA6365 #EAE863
monochromatic
#196BBA #2D8AE3 #63A8EA #99C6F1 #CFE4F9

Accessibility & contrast

On white

2.52
#63A8EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.32
#63A8EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8EA
8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A8EA#FFFFFF#000000##000000
##63A8EA1.002.528.328.32
#FFFFFF2.521.0021.0021.00
#0000008.3221.001.001.00
##0000008.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CAAED
Deuteranopia (green-blind)
#7A9DE9
Tritanopia (blue-blind)
#00B7BF
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #63a8ea;
/* rgb */ color: rgb(99, 168, 234);
/* oklch */ color: oklch(71.3% 0.120 248.8);
Tailwind
colors: {
  custom: {
    50: '#99c1f1',
    500: '#63a8ea',
    950: '#000000',
  },
}
SCSS
$custom: #63a8ea;
$custom-light: #99c1f1;
$custom-dark: #000000;
JSON
{
  "hex": "#63a8ea",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 234
  },
  "hsl": {
    "h": 209.333,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.71347,
    "c": 0.11979,
    "h": 248.8
  },
  "luminance": 0.36598
}

Semantic roles & 50–950 ramp

primary
#63A8EA
secondary
#EBD4BE
accent
#700DD8
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #63A8EA

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

Preview Lab → · Contrast checker → · Palette generator →

#63A8EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva