#643E67#643E67

#643E67 is a dark, moderate purple. Relative luminance 0.071; OKLCH L 42.4% C 0.081 H 324.3°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#643E67
RGB	rgb(100, 62, 103)
HSL	hsl(296, 25%, 32%)
HSV	hsv(296, 40%, 40%)
CMYK	cmyk(2.9%, 39.8%, 0%, 59.6%)
CIE-LAB	lab(32.11, 24.07, -17.29)
CIE-LCH	lch(32.11, 29.63, 324.30°)
OKLab	oklab(42.44% 0.0657 -0.0472)
OKLCH	oklch(42.44% 0.081 324.3)
XYZ	xyz(9.4261, 7.1342, 13.7098)
Luminance	0.0713 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E67 #41673E

analogous

#503E67 #643E67 #673E55

triadic

#643E67 #67643E #3E6764

tetradic

#643E67 #67503E #41673E #3E5567

square

#643E67 #67503E #41673E #3E5567

split-complementary

#643E67 #55673E #3E6750

monochromatic

#1A101B #3F2741 #643E67 #89558D #A774AB

Accessibility & contrast

On white

8.65

#643E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#643E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E67

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E67	#FFFFFF	#000000	##FFFFFF
##643E67	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4969

Deuteranopia (green-blind)

#444D66

Tritanopia (blue-blind)

#66424D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #643e67;
/* rgb */ color: rgb(100, 62, 103);
/* oklch */ color: oklch(42.4% 0.081 324.3);

Tailwind

colors: {
  custom: {
    50: '#917492',
    500: '#643e67',
    950: '#000000',
  },
}

SCSS

$custom: #643e67;
$custom-light: #917492;
$custom-dark: #000000;

JSON

{
  "hex": "#643e67",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 103
  },
  "hsl": {
    "h": 295.61,
    "s": 24.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42444,
    "c": 0.08089,
    "h": 324.3
  },
  "luminance": 0.07134
}

Semantic roles & 50–950 ramp

primary

#643E67

secondary

#6E966A

accent

#C1676D

background

#F9F7F9

surface

#F1EDF1

border

#CBC8CB

text

#0D080D

muted

#7E7B7E

Preview Lab

Preview with #643E67

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

Preview Lab → · Contrast checker → · Palette generator →