#641B3B#641B3B

#641B3B is a dark, moderate pink. Relative luminance 0.038; OKLCH L 35.1% C 0.109 H 357.4°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#641B3B
RGB	rgb(100, 27, 59)
HSL	hsl(334, 57%, 25%)
HSV	hsv(334, 73%, 39%)
CMYK	cmyk(0%, 73%, 41%, 60.8%)
CIE-LAB	lab(23.03, 35.57, -2.02)
CIE-LCH	lch(23.03, 35.63, 356.75°)
OKLab	oklab(35.08% 0.109 -0.0049)
OKLCH	oklch(35.08% 0.109 357.4)
XYZ	xyz(6.4373, 3.8097, 4.5332)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B3B #1B6444

analogous

#641B5F #641B3B #64201B

triadic

#641B3B #3B641B #1B3B64

tetradic

#641B3B #5F641B #1B6444 #201B64

square

#641B3B #5F641B #1B6444 #201B64

split-complementary

#641B3B #1B6420 #1B5F64

monochromatic

#18070E #340E1F #641B3B #942857 #C43574

Accessibility & contrast

On white

11.92

#641B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#641B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B3B

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B3B	#FFFFFF	#000000	##FFFFFF
##641B3B	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292E3C

Deuteranopia (green-blind)

#3D3C39

Tritanopia (blue-blind)

#6C1328

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641b3b;
/* rgb */ color: rgb(100, 27, 59);
/* oklch */ color: oklch(35.1% 0.109 357.4);

Tailwind

colors: {
  custom: {
    50: '#945d70',
    500: '#641b3b',
    950: '#000000',
  },
}

SCSS

$custom: #641b3b;
$custom-light: #945d70;
$custom-dark: #000000;

JSON

{
  "hex": "#641b3b",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 59
  },
  "hsl": {
    "h": 333.699,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35078,
    "c": 0.10907,
    "h": 357.4
  },
  "luminance": 0.03809
}

Semantic roles & 50–950 ramp

primary

#641B3B

secondary

#419973

accent

#E19D47

background

#F9F5F6

surface

#F2E9EC

border

#CCC5C7

text

#0E0507

muted

#7E797A

Preview Lab

Preview with #641B3B

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

Preview Lab → · Contrast checker → · Palette generator →