#6463BC#6463BC

#6463BC is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.4% C 0.136 H 281.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX#6463BC
RGBrgb(100, 99, 188)
HSLhsl(241, 40%, 56%)
HSVhsv(241, 47%, 74%)
CMYKcmyk(46.8%, 47.3%, 0%, 26.3%)
CIE-LABlab(45.99, 24.07, -46.92)
CIE-LCHlch(45.99, 52.74, 297.16°)
OKLaboklab(54.38% 0.0269 -0.1332)
OKLCHoklch(54.38% 0.136 281.4)
XYZxyz(18.7917, 15.2629, 49.5231)
Luminance0.1526 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6463BC #BBBC63
analogous
#638FBC #6463BC #9163BC
triadic
#6463BC #BC6463 #63BC64
tetradic
#6463BC #BC638F #BBBC63 #63BC91
square
#6463BC #BC638F #BBBC63 #63BC91
split-complementary
#6463BC #BC9163 #8FBC63
monochromatic
#323173 #45449E #6463BC #8F8ECE #B9B9E1

Accessibility & contrast

On white

5.18
#6463BC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.05
#6463BC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6463BC
5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6463BC#FFFFFF#000000##FFFFFF
##6463BC1.005.184.055.18
#FFFFFF5.181.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E70BF
Deuteranopia (green-blind)
#386ABA
Tritanopia (blue-blind)
#467686
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #6463bc;
/* rgb */ color: rgb(100, 99, 188);
/* oklch */ color: oklch(54.4% 0.136 281.4);
Tailwind
colors: {
  custom: {
    50: '#958fd1',
    500: '#6463bc',
    950: '#000000',
  },
}
SCSS
$custom: #6463bc;
$custom-light: #958fd1;
$custom-dark: #000000;
JSON
{
  "hex": "#6463bc",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 240.674,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54385,
    "c": 0.13589,
    "h": 281.4
  },
  "luminance": 0.15264
}

Semantic roles & 50–950 ramp

primary
#6463BC
secondary
#CFD0AB
accent
#D058CE
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0C14
muted
#7E7D82

Preview Lab

Preview with #6463BC

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

Preview Lab → · Contrast checker → · Palette generator →

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