#63A9E8#63A9E8

#63A9E8 is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.5% C 0.117 H 247.4°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#63A9E8
RGBrgb(99, 169, 232)
HSLhsl(208, 74%, 65%)
HSVhsv(208, 57%, 91%)
CMYKcmyk(57.3%, 27.2%, 0%, 9%)
CIE-LABlab(67.17, -3.91, -38.32)
CIE-LCHlch(67.17, 38.52, 264.18°)
OKLaboklab(71.47% -0.0449 -0.1077)
OKLCHoklch(71.47% 0.117 247.4)
XYZxyz(33.8938, 36.8518, 81.6552)
Luminance0.3685 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A9E8 #E8A263
analogous
#63E8E5 #63A9E8 #6367E8
triadic
#63A9E8 #E863A9 #A9E863
tetradic
#63A9E8 #E563E8 #E8A263 #67E863
square
#63A9E8 #E563E8 #E8A263 #67E863
split-complementary
#63A9E8 #E86367 #E8E563
monochromatic
#1B6CB6 #2E8CE0 #63A9E8 #98C6F0 #CEE4F8

Accessibility & contrast

On white

2.51
#63A9E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.37
#63A9E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9E8
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A9E8#FFFFFF#000000##000000
##63A9E81.002.518.378.37
#FFFFFF2.511.0021.0021.00
#0000008.3721.001.001.00
##0000008.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8EABEB
Deuteranopia (green-blind)
#7D9EE7
Tritanopia (blue-blind)
#00B8BF
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #63a9e8;
/* rgb */ color: rgb(99, 169, 232);
/* oklch */ color: oklch(71.5% 0.117 247.4);
Tailwind
colors: {
  custom: {
    50: '#99c2ef',
    500: '#63a9e8',
    950: '#000000',
  },
}
SCSS
$custom: #63a9e8;
$custom-light: #99c2ef;
$custom-dark: #000000;
JSON
{
  "hex": "#63a9e8",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 232
  },
  "hsl": {
    "h": 208.421,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.71471,
    "c": 0.11666,
    "h": 247.4
  },
  "luminance": 0.36855
}

Semantic roles & 50–950 ramp

primary
#63A9E8
secondary
#EAD2BD
accent
#6E0FD6
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #63A9E8

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

Preview Lab → · Contrast checker → · Palette generator →

#63A9E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva