#63AFF6#63AFF6

#63AFF6 is a light, vivid cyan. Relative luminance 0.400; OKLCH L 73.5% C 0.128 H 248.5°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#63AFF6
RGBrgb(99, 175, 246)
HSLhsl(209, 89%, 68%)
HSVhsv(209, 60%, 96%)
CMYKcmyk(59.8%, 28.9%, 0%, 3.5%)
CIE-LABlab(69.44, -2.87, -42.40)
CIE-LCHlch(69.44, 42.49, 266.13°)
OKLaboklab(73.46% -0.0471 -0.1194)
OKLCHoklch(73.46% 0.128 248.5)
XYZxyz(37.1040, 39.9630, 92.9292)
Luminance0.3997 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AFF6 #F6AA63
analogous
#63F6F4 #63AFF6 #6365F6
triadic
#63AFF6 #F663AF #AFF663
tetradic
#63AFF6 #F463F6 #F6AA63 #65F663
square
#63AFF6 #F463F6 #F6AA63 #65F663
split-complementary
#63AFF6 #F66365 #F6F463
monochromatic
#0C73D2 #2991F3 #63AFF6 #9DCDF9 #D7EAFD

Accessibility & contrast

On white

2.34
#63AFF6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.99
#63AFF6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFF6
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AFF6#FFFFFF#000000##000000
##63AFF61.002.348.998.99
#FFFFFF2.341.0021.0021.00
#0000008.9921.001.001.00
##0000008.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#91B2F9
Deuteranopia (green-blind)
#7DA3F5
Tritanopia (blue-blind)
#00C0C8
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #63aff6;
/* rgb */ color: rgb(99, 175, 246);
/* oklch */ color: oklch(73.5% 0.128 248.5);
Tailwind
colors: {
  custom: {
    50: '#9bc6f9',
    500: '#63aff6',
    950: '#000000',
  },
}
SCSS
$custom: #63aff6;
$custom-light: #9bc6f9;
$custom-dark: #000000;
JSON
{
  "hex": "#63aff6",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 246
  },
  "hsl": {
    "h": 208.98,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.73463,
    "c": 0.1284,
    "h": 248.5
  },
  "luminance": 0.39966
}

Semantic roles & 50–950 ramp

primary
#63AFF6
secondary
#F1DAC4
accent
#6F00E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63AFF6

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

Preview Lab → · Contrast checker → · Palette generator →

#63AFF6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva