#641221#641221

#641221 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.114 H 16.3°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#641221
RGB	rgb(100, 18, 33)
HSL	hsl(349, 69%, 23%)
HSV	hsv(349, 82%, 39%)
CMYK	cmyk(0%, 82%, 67%, 60.8%)
CIE-LAB	lab(21.03, 36.64, 13.24)
CIE-LCH	lch(21.03, 38.96, 19.86°)
OKLab	oklab(33.36% 0.1095 0.032)
OKLCH	oklch(33.36% 0.114 16.3)
XYZ	xyz(5.7470, 3.2526, 1.7638)
Luminance	0.0325 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641221 #126455

analogous

#64124A #641221 #642C12

triadic

#641221 #216412 #122164

tetradic

#641221 #4A6412 #126455 #2C1264

square

#641221 #4A6412 #126455 #2C1264

split-complementary

#641221 #12642C #124A64

monochromatic

#1A0509 #300910 #641221 #981B32 #CC2543

Accessibility & contrast

On white

12.72

#641221 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#641221 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641221

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641221	#FFFFFF	#000000	##FFFFFF
##641221	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292821

Deuteranopia (green-blind)

#3E391F

Tritanopia (blue-blind)

#6E0018

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641221;
/* rgb */ color: rgb(100, 18, 33);
/* oklch */ color: oklch(33.4% 0.114 16.3);

Tailwind

colors: {
  custom: {
    50: '#96595b',
    500: '#641221',
    950: '#000000',
  },
}

SCSS

$custom: #641221;
$custom-light: #96595b;
$custom-dark: #000000;

JSON

{
  "hex": "#641221",
  "rgb": {
    "r": 100,
    "g": 18,
    "b": 33
  },
  "hsl": {
    "h": 349.024,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33356,
    "c": 0.11407,
    "h": 16.3
  },
  "luminance": 0.03252
}

Semantic roles & 50–950 ramp

primary

#641221

secondary

#369C89

accent

#ECCC3B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641221

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

Preview Lab → · Contrast checker → · Palette generator →