#63AEF6#63AEF6

#63AEF6 is a light, vivid cyan. Relative luminance 0.396; OKLCH L 73.2% C 0.129 H 249.1°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX#63AEF6
RGBrgb(99, 174, 246)
HSLhsl(209, 89%, 68%)
HSVhsv(209, 60%, 96%)
CMYKcmyk(59.8%, 29.3%, 0%, 3.5%)
CIE-LABlab(69.17, -2.31, -42.83)
CIE-LCHlch(69.17, 42.89, 266.92°)
OKLaboklab(73.25% -0.0461 -0.1207)
OKLCHoklch(73.25% 0.129 249.1)
XYZxyz(36.9101, 39.5752, 92.8645)
Luminance0.3958 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AEF6 #F6AB63
analogous
#63F6F5 #63AEF6 #6364F6
triadic
#63AEF6 #F663AE #AEF663
tetradic
#63AEF6 #F563F6 #F6AB63 #64F663
square
#63AEF6 #F563F6 #F6AB63 #64F663
split-complementary
#63AEF6 #F66364 #F6F563
monochromatic
#0C71D2 #2990F3 #63AEF6 #9DCCF9 #D7EAFD

Accessibility & contrast

On white

2.36
#63AEF6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.92
#63AEF6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEF6
8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AEF6#FFFFFF#000000##000000
##63AEF61.002.368.928.92
#FFFFFF2.361.0021.0021.00
#0000008.9221.001.001.00
##0000008.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8FB1F9
Deuteranopia (green-blind)
#7CA2F5
Tritanopia (blue-blind)
#00BFC7
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #63aef6;
/* rgb */ color: rgb(99, 174, 246);
/* oklch */ color: oklch(73.2% 0.129 249.1);
Tailwind
colors: {
  custom: {
    50: '#9bc5f9',
    500: '#63aef6',
    950: '#000000',
  },
}
SCSS
$custom: #63aef6;
$custom-light: #9bc5f9;
$custom-dark: #000000;
JSON
{
  "hex": "#63aef6",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 246
  },
  "hsl": {
    "h": 209.388,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.73245,
    "c": 0.1292,
    "h": 249.1
  },
  "luminance": 0.39579
}

Semantic roles & 50–950 ramp

primary
#63AEF6
secondary
#F1DAC4
accent
#7000E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63AEF6

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

Preview Lab → · Contrast checker → · Palette generator →

#63AEF6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva