#643374#643374

#643374 is a dark, moderate purple. Relative luminance 0.063; OKLCH L 41.3% C 0.117 H 317.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#643374
RGB	rgb(100, 51, 116)
HSL	hsl(285, 39%, 33%)
HSV	hsv(285, 56%, 45%)
CMYK	cmyk(13.8%, 56%, 0%, 54.5%)
CIE-LAB	lab(30.25, 33.43, -28.45)
CIE-LCH	lch(30.25, 43.90, 319.60°)
OKLab	oklab(41.27% 0.0856 -0.0792)
OKLCH	oklch(41.27% 0.117 317.2)
XYZ	xyz(9.5913, 6.3383, 17.2378)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643374 #437433

analogous

#443374 #643374 #743363

triadic

#643374 #746433 #337464

tetradic

#643374 #744433 #437433 #336374

square

#643374 #744433 #437433 #336374

split-complementary

#643374 #637433 #337444

monochromatic

#1B0E1F #3F2049 #643374 #89469F #A666BC

Accessibility & contrast

On white

9.26

#643374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#643374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643374

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643374	#FFFFFF	#000000	##FFFFFF
##643374	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254476

Deuteranopia (green-blind)

#354972

Tritanopia (blue-blind)

#643D4E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643374;
/* rgb */ color: rgb(100, 51, 116);
/* oklch */ color: oklch(41.3% 0.117 317.2);

Tailwind

colors: {
  custom: {
    50: '#926d9c',
    500: '#643374',
    950: '#000000',
  },
}

SCSS

$custom: #643374;
$custom-light: #926d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#643374",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 116
  },
  "hsl": {
    "h": 285.231,
    "s": 38.922,
    "l": 32.745
  },
  "oklch": {
    "l": 0.41274,
    "c": 0.11663,
    "h": 317.2
  },
  "luminance": 0.06338
}

Semantic roles & 50–950 ramp

primary

#643374

secondary

#70A45F

accent

#CF5976

background

#F9F6F9

surface

#F1ECF2

border

#CBC7CC

text

#0D070E

muted

#7E7A7E

Preview Lab

Preview with #643374

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

Preview Lab → · Contrast checker → · Palette generator →