#643D4E#643D4E

#643D4E is a dark, muted pink. Relative luminance 0.066; OKLCH L 41.2% C 0.060 H 352.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#643D4E
RGB	rgb(100, 61, 78)
HSL	hsl(334, 24%, 32%)
HSV	hsv(334, 39%, 39%)
CMYK	cmyk(0%, 39%, 22%, 60.8%)
CIE-LAB	lab(30.87, 19.79, -3.10)
CIE-LCH	lch(30.87, 20.03, 351.09°)
OKLab	oklab(41.18% 0.0592 -0.008)
OKLCH	oklch(41.18% 0.06 352.3)
XYZ	xyz(8.2996, 6.5974, 8.0425)
Luminance	0.0660 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D4E #3D6453

analogous

#643D62 #643D4E #64403D

triadic

#643D4E #4E643D #3D4E64

tetradic

#643D4E #62643D #3D6453 #403D64

square

#643D4E #62643D #3D6453 #403D64

split-complementary

#643D4E #3D6440 #3D6264

monochromatic

#180F13 #3E2630 #643D4E #8A546C #A9728A

Accessibility & contrast

On white

9.05

#643D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#643D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D4E

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D4E	#FFFFFF	#000000	##FFFFFF
##643D4E	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41454F

Deuteranopia (green-blind)

#4B4B4D

Tritanopia (blue-blind)

#6A3C43

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643d4e;
/* rgb */ color: rgb(100, 61, 78);
/* oklch */ color: oklch(41.2% 0.060 352.3);

Tailwind

colors: {
  custom: {
    50: '#91737f',
    500: '#643d4e',
    950: '#000000',
  },
}

SCSS

$custom: #643d4e;
$custom-light: #91737f;
$custom-dark: #000000;

JSON

{
  "hex": "#643d4e",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 333.846,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41179,
    "c": 0.0597,
    "h": 352.3
  },
  "luminance": 0.06597
}

Semantic roles & 50–950 ramp

primary

#643D4E

secondary

#699481

accent

#C19A67

background

#F9F7F7

surface

#F1EDEE

border

#CBC8C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643D4E

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

Preview Lab → · Contrast checker → · Palette generator →