#6463CD#6463CD

#6463CD is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.5% C 0.160 H 280.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#6463CD
RGBrgb(100, 99, 205)
HSLhsl(241, 51%, 60%)
HSVhsv(241, 52%, 80%)
CMYKcmyk(51.2%, 51.7%, 0%, 19.6%)
CIE-LABlab(47.03, 29.32, -55.07)
CIE-LCHlch(47.03, 62.39, 298.03°)
OKLaboklab(55.5% 0.0285 -0.1571)
OKLCHoklch(55.5% 0.16 280.3)
XYZxyz(20.7334, 16.0396, 59.7492)
Luminance0.1604 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6463CD #CCCD63
analogous
#6397CD #6463CD #9963CD
triadic
#6463CD #CD6463 #63CD64
tetradic
#6463CD #CD6397 #CCCD63 #63CD99
square
#6463CD #CD6397 #CCCD63 #63CD99
split-complementary
#6463CD #CD9963 #97CD63
monochromatic
#2D2C8A #3C3BB8 #6463CD #9291DC #C0C0EB

Accessibility & contrast

On white

4.99
#6463CD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.21
#6463CD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6463CD
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6463CD#FFFFFF#000000##FFFFFF
##6463CD1.004.994.214.99
#FFFFFF4.991.0021.001.00
#0000004.2121.001.0021.00
##FFFFFF4.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C74D1
Deuteranopia (green-blind)
#216CCB
Tritanopia (blue-blind)
#397A8E
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #6463cd;
/* rgb */ color: rgb(100, 99, 205);
/* oklch */ color: oklch(55.5% 0.160 280.3);
Tailwind
colors: {
  custom: {
    50: '#978fdd',
    500: '#6463cd',
    950: '#000000',
  },
}
SCSS
$custom: #6463cd;
$custom-light: #978fdd;
$custom-dark: #000000;
JSON
{
  "hex": "#6463cd",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 205
  },
  "hsl": {
    "h": 240.566,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.55497,
    "c": 0.1597,
    "h": 280.3
  },
  "luminance": 0.16041
}

Semantic roles & 50–950 ramp

primary
#6463CD
secondary
#DADAB1
accent
#DB4DDA
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0C15
muted
#7E7D83

Preview Lab

Preview with #6463CD

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

Preview Lab → · Contrast checker → · Palette generator →

#6463CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva