#641B3D#641B3D

#641B3D is a dark, moderate pink. Relative luminance 0.038; OKLCH L 35.2% C 0.110 H 355.7°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#641B3D
RGB	rgb(100, 27, 61)
HSL	hsl(332, 57%, 25%)
HSV	hsv(332, 73%, 39%)
CMYK	cmyk(0%, 73%, 39%, 60.8%)
CIE-LAB	lab(23.10, 35.81, -3.29)
CIE-LCH	lch(23.10, 35.96, 354.76°)
OKLab	oklab(35.15% 0.1097 -0.0082)
OKLCH	oklch(35.15% 0.11 355.7)
XYZ	xyz(6.4902, 3.8309, 4.8116)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B3D #1B6442

analogous

#641B61 #641B3D #641E1B

triadic

#641B3D #3D641B #1B3D64

tetradic

#641B3D #61641B #1B6442 #1E1B64

square

#641B3D #61641B #1B6442 #1E1B64

split-complementary

#641B3D #1B641E #1B6164

monochromatic

#18070F #340E20 #641B3D #94285A #C43578

Accessibility & contrast

On white

11.89

#641B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#641B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B3D

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B3D	#FFFFFF	#000000	##FFFFFF
##641B3D	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282E3E

Deuteranopia (green-blind)

#3C3C3B

Tritanopia (blue-blind)

#6C1429

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641b3d;
/* rgb */ color: rgb(100, 27, 61);
/* oklch */ color: oklch(35.2% 0.110 355.7);

Tailwind

colors: {
  custom: {
    50: '#945e72',
    500: '#641b3d',
    950: '#000000',
  },
}

SCSS

$custom: #641b3d;
$custom-light: #945e72;
$custom-dark: #000000;

JSON

{
  "hex": "#641b3d",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 61
  },
  "hsl": {
    "h": 332.055,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35155,
    "c": 0.10998,
    "h": 355.7
  },
  "luminance": 0.0383
}

Semantic roles & 50–950 ramp

primary

#641B3D

secondary

#419970

accent

#E19947

background

#F9F5F6

surface

#F2E9EC

border

#CCC5C7

text

#0E0508

muted

#7E797B

Preview Lab

Preview with #641B3D

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

Preview Lab → · Contrast checker → · Palette generator →