#643E95#643E95

#643E95 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.2% C 0.139 H 301.2°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#643E95
RGB	rgb(100, 62, 149)
HSL	hsl(266, 41%, 41%)
HSV	hsv(266, 58%, 58%)
CMYK	cmyk(32.9%, 58.4%, 0%, 41.6%)
CIE-LAB	lab(34.65, 35.28, -41.91)
CIE-LCH	lch(34.65, 54.79, 310.09°)
OKLab	oklab(45.16% 0.0718 -0.1186)
OKLCH	oklch(45.16% 0.139 301.2)
XYZ	xyz(12.4017, 8.3244, 29.3814)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E95 #6F953E

analogous

#3E4495 #643E95 #903E95

triadic

#643E95 #95643E #3E9564

tetradic

#643E95 #953E44 #6F953E #3E9590

square

#643E95 #953E44 #6F953E #3E9590

split-complementary

#643E95 #95903E #44953E

monochromatic

#2A1A3F #472C6A #643E95 #8257B9 #A282CB

Accessibility & contrast

On white

7.88

#643E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#643E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E95

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E95	#FFFFFF	#000000	##FFFFFF
##643E95	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175198

Deuteranopia (green-blind)

#265193

Tritanopia (blue-blind)

#5A5063

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #643e95;
/* rgb */ color: rgb(100, 62, 149);
/* oklch */ color: oklch(45.2% 0.139 301.2);

Tailwind

colors: {
  custom: {
    50: '#9375b5',
    500: '#643e95',
    950: '#000000',
  },
}

SCSS

$custom: #643e95;
$custom-light: #9375b5;
$custom-dark: #000000;

JSON

{
  "hex": "#643e95",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 149
  },
  "hsl": {
    "h": 266.207,
    "s": 41.232,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45156,
    "c": 0.13862,
    "h": 301.2
  },
  "luminance": 0.08325
}

Semantic roles & 50–950 ramp

primary

#643E95

secondary

#9BB57A

accent

#D1579C

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0D0811

muted

#7E7B80

Preview Lab

Preview with #643E95

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

Preview Lab → · Contrast checker → · Palette generator →