#641B3F#641B3F

#641B3F is a dark, moderate pink. Relative luminance 0.039; OKLCH L 35.2% C 0.111 H 354.0°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#641B3F
RGB	rgb(100, 27, 63)
HSL	hsl(330, 57%, 25%)
HSV	hsv(330, 73%, 39%)
CMYK	cmyk(0%, 73%, 37%, 60.8%)
CIE-LAB	lab(23.18, 36.07, -4.55)
CIE-LCH	lch(23.18, 36.35, 352.81°)
OKLab	oklab(35.23% 0.1103 -0.0116)
OKLCH	oklch(35.23% 0.111 354)
XYZ	xyz(6.5450, 3.8528, 5.1007)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B3F #1B6440

analogous

#641B63 #641B3F #641C1B

triadic

#641B3F #3F641B #1B3F64

tetradic

#641B3F #63641B #1B6440 #1C1B64

square

#641B3F #63641B #1B6440 #1C1B64

split-complementary

#641B3F #1B641C #1B6364

monochromatic

#18070F #340E21 #641B3F #94285D #C4357C

Accessibility & contrast

On white

11.86

#641B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#641B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B3F

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B3F	#FFFFFF	#000000	##FFFFFF
##641B3F	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282F40

Deuteranopia (green-blind)

#3C3C3D

Tritanopia (blue-blind)

#6C152A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641b3f;
/* rgb */ color: rgb(100, 27, 63);
/* oklch */ color: oklch(35.2% 0.111 354.0);

Tailwind

colors: {
  custom: {
    50: '#945e74',
    500: '#641b3f',
    950: '#000000',
  },
}

SCSS

$custom: #641b3f;
$custom-light: #945e74;
$custom-dark: #000000;

JSON

{
  "hex": "#641b3f",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 63
  },
  "hsl": {
    "h": 330.411,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35234,
    "c": 0.11094,
    "h": 354
  },
  "luminance": 0.03852
}

Semantic roles & 50–950 ramp

primary

#641B3F

secondary

#41996E

accent

#E19547

background

#F9F5F7

surface

#F2E9ED

border

#CCC5C8

text

#0E0508

muted

#7E797B

Preview Lab

Preview with #641B3F

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

Preview Lab → · Contrast checker → · Palette generator →