#6443BB#6443BB

#6443BB is a mid, vivid violet. Relative luminance 0.103; OKLCH L 48.7% C 0.179 H 290.9°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#6443BB
RGB	rgb(100, 67, 187)
HSL	hsl(257, 47%, 50%)
HSV	hsv(257, 64%, 73%)
CMYK	cmyk(46.5%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(38.39, 42.93, -58.58)
CIE-LCH	lch(38.39, 72.63, 306.24°)
OKLab	oklab(48.73% 0.0639 -0.1676)
OKLCH	oklch(48.73% 0.179 290.9)
XYZ	xyz(16.2298, 10.3109, 48.1391)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.83

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6443BB #9ABB43

analogous

#435EBB #6443BB #A043BB

triadic

#6443BB #BB6443 #43BB64

tetradic

#6443BB #BB435E #9ABB43 #43BBA0

square

#6443BB #BB435E #9ABB43 #43BBA0

split-complementary

#6443BB #BBA043 #5EBB43

monochromatic

#342361 #4C338E #6443BB #8970CC #AE9DDC

Accessibility & contrast

On white

6.86

#6443BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#6443BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6443BB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6443BB	#FFFFFF	#000000	##FFFFFF
##6443BB	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#495F79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #6443bb;
/* rgb */ color: rgb(100, 67, 187);
/* oklch */ color: oklch(48.7% 0.179 290.9);

Tailwind

colors: {
  custom: {
    50: '#9779d0',
    500: '#6443bb',
    950: '#000000',
  },
}

SCSS

$custom: #6443bb;
$custom-light: #9779d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6443bb",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 256.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48734,
    "c": 0.17935,
    "h": 290.9
  },
  "luminance": 0.10311
}

Semantic roles & 50–950 ramp

primary

#6443BB

secondary

#B9C892

accent

#D751B2

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6443BB

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

Preview Lab → · Contrast checker → · Palette generator →