#643CAA#643CAA

#643CAA is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.4% C 0.168 H 295.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#643CAA
RGB	rgb(100, 60, 170)
HSL	hsl(262, 48%, 45%)
HSV	hsv(262, 65%, 67%)
CMYK	cmyk(41.2%, 64.7%, 0%, 33.3%)
CIE-LAB	lab(35.68, 42.08, -52.91)
CIE-LCH	lch(35.68, 67.61, 308.50°)
OKLab	oklab(46.37% 0.0733 -0.1509)
OKLCH	oklch(46.37% 0.168 295.9)
XYZ	xyz(14.1252, 8.8430, 38.9851)
Luminance	0.0884 (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

#643CAA #82AA3C

analogous

#3C4BAA #643CAA #9B3CAA

triadic

#643CAA #AA643C #3CAA64

tetradic

#643CAA #AA3C4B #82AA3C #3CAA9B

square

#643CAA #AA3C4B #82AA3C #3CAA9B

split-complementary

#643CAA #AA9B3C #4BAA3C

monochromatic

#2F1C50 #492C7D #643CAA #835DC6 #A68BD6

Accessibility & contrast

On white

7.59

#643CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#643CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CAA

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CAA	#FFFFFF	#000000	##FFFFFF
##643CAA	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AD

Deuteranopia (green-blind)

#0052A8

Tritanopia (blue-blind)

#52556D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643caa;
/* rgb */ color: rgb(100, 60, 170);
/* oklch */ color: oklch(46.4% 0.168 295.9);

Tailwind

colors: {
  custom: {
    50: '#9574c4',
    500: '#643caa',
    950: '#000000',
  },
}

SCSS

$custom: #643caa;
$custom-light: #9574c4;
$custom-dark: #000000;

JSON

{
  "hex": "#643caa",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 170
  },
  "hsl": {
    "h": 261.818,
    "s": 47.826,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4637,
    "c": 0.16776,
    "h": 295.9
  },
  "luminance": 0.08843
}

Semantic roles & 50–950 ramp

primary

#643CAA

secondary

#A9C081

accent

#D750A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643CAA

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

Preview Lab → · Contrast checker → · Palette generator →