#641B33#641B33

#641B33 is a dark, moderate pink. Relative luminance 0.037; OKLCH L 34.8% C 0.106 H 4.5°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#641B33
RGB	rgb(100, 27, 51)
HSL	hsl(340, 57%, 25%)
HSV	hsv(340, 73%, 39%)
CMYK	cmyk(0%, 73%, 49%, 60.8%)
CIE-LAB	lab(22.77, 34.66, 3.11)
CIE-LCH	lch(22.77, 34.80, 5.13°)
OKLab	oklab(34.8% 0.1059 0.0083)
OKLCH	oklch(34.8% 0.106 4.5)
XYZ	xyz(6.2455, 3.7330, 3.5230)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B33 #1B644C

analogous

#641B57 #641B33 #64281B

triadic

#641B33 #33641B #1B3364

tetradic

#641B33 #57641B #1B644C #281B64

square

#641B33 #57641B #1B644C #281B64

split-complementary

#641B33 #1B6428 #1B5764

monochromatic

#18070C #340E1A #641B33 #94284C #C43564

Accessibility & contrast

On white

12.02

#641B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B33

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B33	#FFFFFF	#000000	##FFFFFF
##641B33	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2D34

Deuteranopia (green-blind)

#3E3C31

Tritanopia (blue-blind)

#6D1025

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641b33;
/* rgb */ color: rgb(100, 27, 51);
/* oklch */ color: oklch(34.8% 0.106 4.5);

Tailwind

colors: {
  custom: {
    50: '#945d6a',
    500: '#641b33',
    950: '#000000',
  },
}

SCSS

$custom: #641b33;
$custom-light: #945d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#641b33",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 340.274,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34797,
    "c": 0.10621,
    "h": 4.5
  },
  "luminance": 0.03732
}

Semantic roles & 50–950 ramp

primary

#641B33

secondary

#41997C

accent

#E1AE47

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0406

muted

#7E797A

Preview Lab

Preview with #641B33

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

Preview Lab → · Contrast checker → · Palette generator →