#643CA2#643CA2

#643CA2 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 45.8% C 0.158 H 297.9°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#643CA2
RGB	rgb(100, 60, 162)
HSL	hsl(264, 46%, 44%)
HSV	hsv(264, 63%, 64%)
CMYK	cmyk(38.3%, 63%, 0%, 36.5%)
CIE-LAB	lab(35.10, 39.91, -49.05)
CIE-LCH	lch(35.10, 63.24, 309.13°)
OKLab	oklab(45.77% 0.0739 -0.1396)
OKLCH	oklch(45.77% 0.158 297.9)
XYZ	xyz(13.3913, 8.5495, 35.1201)
Luminance	0.0855 (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

#643CA2 #7AA23C

analogous

#3C47A2 #643CA2 #973CA2

triadic

#643CA2 #A2643C #3CA264

tetradic

#643CA2 #A23C47 #7AA23C #3CA297

square

#643CA2 #A23C47 #7AA23C #3CA297

split-complementary

#643CA2 #A2973C #47A23C

monochromatic

#2D1B49 #482B75 #643CA2 #8259C2 #A486D2

Accessibility & contrast

On white

7.75

#643CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#643CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CA2

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CA2	#FFFFFF	#000000	##FFFFFF
##643CA2	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A5

Deuteranopia (green-blind)

#0B51A0

Tritanopia (blue-blind)

#555269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #643ca2;
/* rgb */ color: rgb(100, 60, 162);
/* oklch */ color: oklch(45.8% 0.158 297.9);

Tailwind

colors: {
  custom: {
    50: '#9574be',
    500: '#643ca2',
    950: '#000000',
  },
}

SCSS

$custom: #643ca2;
$custom-light: #9574be;
$custom-dark: #000000;

JSON

{
  "hex": "#643ca2",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 162
  },
  "hsl": {
    "h": 263.529,
    "s": 45.946,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45768,
    "c": 0.15793,
    "h": 297.9
  },
  "luminance": 0.0855
}

Semantic roles & 50–950 ramp

primary

#643CA2

secondary

#A4BC7D

accent

#D652A2

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #643CA2

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

Preview Lab → · Contrast checker → · Palette generator →