#641B31#641B31

#641B31 is a dark, moderate pink. Relative luminance 0.037; OKLCH L 34.7% C 0.106 H 6.3°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#641B31
RGB	rgb(100, 27, 49)
HSL	hsl(342, 57%, 25%)
HSV	hsv(342, 73%, 39%)
CMYK	cmyk(0%, 73%, 51%, 60.8%)
CIE-LAB	lab(22.71, 34.45, 4.41)
CIE-LCH	lch(22.71, 34.73, 7.29°)
OKLab	oklab(34.73% 0.1051 0.0116)
OKLCH	oklch(34.73% 0.106 6.3)
XYZ	xyz(6.2023, 3.7157, 3.2957)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B31 #1B644E

analogous

#641B55 #641B31 #642A1B

triadic

#641B31 #31641B #1B3164

tetradic

#641B31 #55641B #1B644E #2A1B64

square

#641B31 #55641B #1B644E #2A1B64

split-complementary

#641B31 #1B642A #1B5564

monochromatic

#18070C #340E19 #641B31 #942849 #C43560

Accessibility & contrast

On white

12.05

#641B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B31

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B31	#FFFFFF	#000000	##FFFFFF
##641B31	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2D31

Deuteranopia (green-blind)

#3F3C2F

Tritanopia (blue-blind)

#6D0F24

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641b31;
/* rgb */ color: rgb(100, 27, 49);
/* oklch */ color: oklch(34.7% 0.106 6.3);

Tailwind

colors: {
  custom: {
    50: '#945d68',
    500: '#641b31',
    950: '#000000',
  },
}

SCSS

$custom: #641b31;
$custom-light: #945d68;
$custom-dark: #000000;

JSON

{
  "hex": "#641b31",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 49
  },
  "hsl": {
    "h": 341.918,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34733,
    "c": 0.1057,
    "h": 6.3
  },
  "luminance": 0.03715
}

Semantic roles & 50–950 ramp

primary

#641B31

secondary

#41997F

accent

#E1B247

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0406

muted

#7E797A

Preview Lab

Preview with #641B31

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

Preview Lab → · Contrast checker → · Palette generator →