#643CB6#643CB6

#643CB6 is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.3% C 0.182 H 293.2°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#643CB6
RGB	rgb(100, 60, 182)
HSL	hsl(260, 50%, 47%)
HSV	hsv(260, 67%, 71%)
CMYK	cmyk(45.1%, 67%, 0%, 28.6%)
CIE-LAB	lab(36.59, 45.39, -58.57)
CIE-LCH	lch(36.59, 74.09, 307.77°)
OKLab	oklab(47.31% 0.0719 -0.1675)
OKLCH	oklch(47.31% 0.182 293.2)
XYZ	xyz(15.3126, 9.3180, 45.2387)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CB6 #8EB63C

analogous

#3C51B6 #643CB6 #A13CB6

triadic

#643CB6 #B6643C #3CB664

tetradic

#643CB6 #B63C51 #8EB63C #3CB6A1

square

#643CB6 #B63C51 #8EB63C #3CB6A1

split-complementary

#643CB6 #B6A13C #51B63C

monochromatic

#311E5A #4B2D88 #643CB6 #8663CC #AA91DB

Accessibility & contrast

On white

7.33

#643CB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#643CB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CB6

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CB6	#FFFFFF	#000000	##FFFFFF
##643CB6	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BA

Deuteranopia (green-blind)

#0054B4

Tritanopia (blue-blind)

#4C5A74

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #643cb6;
/* rgb */ color: rgb(100, 60, 182);
/* oklch */ color: oklch(47.3% 0.182 293.2);

Tailwind

colors: {
  custom: {
    50: '#9774cd',
    500: '#643cb6',
    950: '#000000',
  },
}

SCSS

$custom: #643cb6;
$custom-light: #9774cd;
$custom-dark: #000000;

JSON

{
  "hex": "#643cb6",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 182
  },
  "hsl": {
    "h": 259.672,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47311,
    "c": 0.1823,
    "h": 293.2
  },
  "luminance": 0.09318
}

Semantic roles & 50–950 ramp

primary

#643CB6

secondary

#B2C688

accent

#DA4EAC

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #643CB6

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

Preview Lab → · Contrast checker → · Palette generator →