#643BAF#643BAF

#643BAF is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.6% C 0.175 H 294.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#643BAF
RGB	rgb(100, 59, 175)
HSL	hsl(261, 50%, 46%)
HSV	hsv(261, 66%, 69%)
CMYK	cmyk(42.9%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(35.85, 44.00, -55.61)
CIE-LCH	lch(35.85, 70.91, 308.35°)
OKLab	oklab(46.61% 0.0738 -0.1588)
OKLCH	oklch(46.61% 0.175 294.9)
XYZ	xyz(14.5553, 8.9320, 41.5063)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BAF #86AF3B

analogous

#3B4CAF #643BAF #9E3BAF

triadic

#643BAF #AF643B #3BAF64

tetradic

#643BAF #AF3B4C #86AF3B #3BAF9E

square

#643BAF #AF3B4C #86AF3B #3BAF9E

split-complementary

#643BAF #AF9E3B #4CAF3B

monochromatic

#301C53 #4A2C81 #643BAF #845EC9 #A78CD8

Accessibility & contrast

On white

7.54

#643BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#643BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BAF

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BAF	#FFFFFF	#000000	##FFFFFF
##643BAF	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#0052AD

Tritanopia (blue-blind)

#505670

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643baf;
/* rgb */ color: rgb(100, 59, 175);
/* oklch */ color: oklch(46.6% 0.175 294.9);

Tailwind

colors: {
  custom: {
    50: '#9674c8',
    500: '#643baf',
    950: '#000000',
  },
}

SCSS

$custom: #643baf;
$custom-light: #9674c8;
$custom-dark: #000000;

JSON

{
  "hex": "#643baf",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 261.207,
    "s": 49.573,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46613,
    "c": 0.17517,
    "h": 294.9
  },
  "luminance": 0.08932
}

Semantic roles & 50–950 ramp

primary

#643BAF

secondary

#ACC383

accent

#D94FA8

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643BAF

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

Preview Lab → · Contrast checker → · Palette generator →