#641B3C#641B3C

#641B3C is a dark, moderate pink. Relative luminance 0.038; OKLCH L 35.1% C 0.110 H 356.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#641B3C
RGB	rgb(100, 27, 60)
HSL	hsl(333, 57%, 25%)
HSV	hsv(333, 73%, 39%)
CMYK	cmyk(0%, 73%, 40%, 60.8%)
CIE-LAB	lab(23.07, 35.69, -2.66)
CIE-LCH	lch(23.07, 35.79, 355.75°)
OKLab	oklab(35.12% 0.1093 -0.0065)
OKLCH	oklch(35.12% 0.11 356.6)
XYZ	xyz(6.4635, 3.8202, 4.6711)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B3C #1B6443

analogous

#641B60 #641B3C #641F1B

triadic

#641B3C #3C641B #1B3C64

tetradic

#641B3C #60641B #1B6443 #1F1B64

square

#641B3C #60641B #1B6443 #1F1B64

split-complementary

#641B3C #1B641F #1B6064

monochromatic

#18070E #340E1F #641B3C #942859 #C43576

Accessibility & contrast

On white

11.91

#641B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#641B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B3C

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B3C	#FFFFFF	#000000	##FFFFFF
##641B3C	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282E3D

Deuteranopia (green-blind)

#3D3C3A

Tritanopia (blue-blind)

#6C1429

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641b3c;
/* rgb */ color: rgb(100, 27, 60);
/* oklch */ color: oklch(35.1% 0.110 356.6);

Tailwind

colors: {
  custom: {
    50: '#945e71',
    500: '#641b3c',
    950: '#000000',
  },
}

SCSS

$custom: #641b3c;
$custom-light: #945e71;
$custom-dark: #000000;

JSON

{
  "hex": "#641b3c",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 60
  },
  "hsl": {
    "h": 332.877,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35116,
    "c": 0.10951,
    "h": 356.6
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#641B3C

secondary

#419972

accent

#E19B47

background

#F9F5F6

surface

#F2E9EC

border

#CCC5C7

text

#0E0507

muted

#7E797A

Preview Lab

Preview with #641B3C

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

Preview Lab → · Contrast checker → · Palette generator →