#643DA2#643DA2

#643DA2 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 45.9% C 0.156 H 297.7°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#643DA2
RGB	rgb(100, 61, 162)
HSL	hsl(263, 45%, 44%)
HSV	hsv(263, 62%, 64%)
CMYK	cmyk(38.3%, 62.3%, 0%, 36.5%)
CIE-LAB	lab(35.31, 39.35, -48.71)
CIE-LCH	lch(35.31, 62.62, 308.93°)
OKLab	oklab(45.92% 0.0727 -0.1386)
OKLCH	oklch(45.92% 0.156 297.7)
XYZ	xyz(13.4442, 8.6552, 35.1377)
Luminance	0.0866 (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

#643DA2 #7BA23D

analogous

#3D49A2 #643DA2 #963DA2

triadic

#643DA2 #A2643D #3DA264

tetradic

#643DA2 #A23D49 #7BA23D #3DA296

square

#643DA2 #A23D49 #7BA23D #3DA296

split-complementary

#643DA2 #A2963D #49A23D

monochromatic

#2D1C49 #492C76 #643DA2 #825BC1 #A487D2

Accessibility & contrast

On white

7.69

#643DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#643DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DA2

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DA2	#FFFFFF	#000000	##FFFFFF
##643DA2	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A5

Deuteranopia (green-blind)

#0F52A0

Tritanopia (blue-blind)

#555369

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #643da2;
/* rgb */ color: rgb(100, 61, 162);
/* oklch */ color: oklch(45.9% 0.156 297.7);

Tailwind

colors: {
  custom: {
    50: '#9574be',
    500: '#643da2',
    950: '#000000',
  },
}

SCSS

$custom: #643da2;
$custom-light: #9574be;
$custom-dark: #000000;

JSON

{
  "hex": "#643da2",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 162
  },
  "hsl": {
    "h": 263.168,
    "s": 45.291,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4592,
    "c": 0.15649,
    "h": 297.7
  },
  "luminance": 0.08655
}

Semantic roles & 50–950 ramp

primary

#643DA2

secondary

#A4BC7E

accent

#D553A3

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #643DA2

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

Preview Lab → · Contrast checker → · Palette generator →