#641B3A#641B3A

#641B3A is a dark, moderate pink. Relative luminance 0.038; OKLCH L 35.0% C 0.109 H 358.3°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#641B3A
RGB	rgb(100, 27, 58)
HSL	hsl(335, 57%, 25%)
HSV	hsv(335, 73%, 39%)
CMYK	cmyk(0%, 73%, 42%, 60.8%)
CIE-LAB	lab(23.00, 35.45, -1.38)
CIE-LCH	lch(23.00, 35.47, 357.76°)
OKLab	oklab(35.04% 0.1086 -0.0032)
OKLCH	oklch(35.04% 0.109 358.3)
XYZ	xyz(6.4116, 3.7995, 4.3979)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B3A #1B6445

analogous

#641B5E #641B3A #64211B

triadic

#641B3A #3A641B #1B3A64

tetradic

#641B3A #5E641B #1B6445 #211B64

square

#641B3A #5E641B #1B6445 #211B64

split-complementary

#641B3A #1B6421 #1B5E64

monochromatic

#18070E #340E1E #641B3A #942856 #C43572

Accessibility & contrast

On white

11.93

#641B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#641B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B3A

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B3A	#FFFFFF	#000000	##FFFFFF
##641B3A	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292E3B

Deuteranopia (green-blind)

#3D3C38

Tritanopia (blue-blind)

#6D1328

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641b3a;
/* rgb */ color: rgb(100, 27, 58);
/* oklch */ color: oklch(35.0% 0.109 358.3);

Tailwind

colors: {
  custom: {
    50: '#945d70',
    500: '#641b3a',
    950: '#000000',
  },
}

SCSS

$custom: #641b3a;
$custom-light: #945d70;
$custom-dark: #000000;

JSON

{
  "hex": "#641b3a",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 58
  },
  "hsl": {
    "h": 334.521,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35041,
    "c": 0.10865,
    "h": 358.3
  },
  "luminance": 0.03799
}

Semantic roles & 50–950 ramp

primary

#641B3A

secondary

#419974

accent

#E19F47

background

#F9F5F6

surface

#F2E9EC

border

#CCC5C7

text

#0E0507

muted

#7E797A

Preview Lab

Preview with #641B3A

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

Preview Lab → · Contrast checker → · Palette generator →