#643170#643170

#643170 is a dark, moderate purple. Relative luminance 0.061; OKLCH L 40.7% C 0.116 H 319.7°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#643170
RGB	rgb(100, 49, 112)
HSL	hsl(289, 39%, 32%)
HSV	hsv(289, 56%, 44%)
CMYK	cmyk(10.7%, 56.3%, 0%, 56.1%)
CIE-LAB	lab(29.60, 33.65, -26.93)
CIE-LCH	lch(29.60, 43.10, 321.33°)
OKLab	oklab(40.73% 0.0882 -0.0748)
OKLCH	oklch(40.73% 0.116 319.7)
XYZ	xyz(9.2781, 6.0762, 16.0102)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643170 #3D7031

analogous

#453170 #643170 #70315D

triadic

#643170 #706431 #317064

tetradic

#643170 #704531 #3D7031 #315D70

square

#643170 #704531 #3D7031 #315D70

split-complementary

#643170 #5D7031 #317045

monochromatic

#180C1B #3E1E45 #643170 #8A449B #A961BA

Accessibility & contrast

On white

9.48

#643170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643170

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643170	#FFFFFF	#000000	##FFFFFF
##643170	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254272

Deuteranopia (green-blind)

#36486E

Tritanopia (blue-blind)

#643A4B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643170;
/* rgb */ color: rgb(100, 49, 112);
/* oklch */ color: oklch(40.7% 0.116 319.7);

Tailwind

colors: {
  custom: {
    50: '#926c99',
    500: '#643170',
    950: '#000000',
  },
}

SCSS

$custom: #643170;
$custom-light: #926c99;
$custom-dark: #000000;

JSON

{
  "hex": "#643170",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 112
  },
  "hsl": {
    "h": 288.571,
    "s": 39.13,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40725,
    "c": 0.11562,
    "h": 319.7
  },
  "luminance": 0.06076
}

Semantic roles & 50–950 ramp

primary

#643170

secondary

#69A15C

accent

#CF596F

background

#F9F6F9

surface

#F1EBF2

border

#CBC6CC

text

#0D070E

muted

#7E7A7E

Preview Lab

Preview with #643170

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

Preview Lab → · Contrast checker → · Palette generator →