#643BAC#643BAC

#643BAC is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.4% C 0.172 H 295.6°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#643BAC
RGB	rgb(100, 59, 172)
HSL	hsl(262, 49%, 45%)
HSV	hsv(262, 66%, 67%)
CMYK	cmyk(41.9%, 65.7%, 0%, 32.5%)
CIE-LAB	lab(35.63, 43.18, -54.19)
CIE-LCH	lch(35.63, 69.29, 308.55°)
OKLab	oklab(46.38% 0.0742 -0.1547)
OKLCH	oklch(46.38% 0.172 295.6)
XYZ	xyz(14.2639, 8.8155, 39.9718)
Luminance	0.0882 (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

#643BAC #83AC3B

analogous

#3B4AAC #643BAC #9C3BAC

triadic

#643BAC #AC643B #3BAC64

tetradic

#643BAC #AC3B4A #83AC3B #3BAC9C

square

#643BAC #AC3B4A #83AC3B #3BAC9C

split-complementary

#643BAC #AC9C3B #4AAC3B

monochromatic

#2F1C51 #4A2B7E #643BAC #835DC7 #A68AD7

Accessibility & contrast

On white

7.60

#643BAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#643BAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BAC

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BAC	#FFFFFF	#000000	##FFFFFF
##643BAC	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AF

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#51556E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643bac;
/* rgb */ color: rgb(100, 59, 172);
/* oklch */ color: oklch(46.4% 0.172 295.6);

Tailwind

colors: {
  custom: {
    50: '#9673c5',
    500: '#643bac',
    950: '#000000',
  },
}

SCSS

$custom: #643bac;
$custom-light: #9673c5;
$custom-dark: #000000;

JSON

{
  "hex": "#643bac",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 172
  },
  "hsl": {
    "h": 261.77,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46378,
    "c": 0.17155,
    "h": 295.6
  },
  "luminance": 0.08816
}

Semantic roles & 50–950 ramp

primary

#643BAC

secondary

#AAC181

accent

#D84FA7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643BAC

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

Preview Lab → · Contrast checker → · Palette generator →