#641C22#641C22

#641C22 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.5% C 0.103 H 19.8°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#641C22
RGB	rgb(100, 28, 34)
HSL	hsl(355, 56%, 25%)
HSV	hsv(355, 72%, 39%)
CMYK	cmyk(0%, 72%, 66%, 60.8%)
CIE-LAB	lab(22.50, 32.69, 14.46)
CIE-LCH	lch(22.50, 35.75, 23.86°)
OKLab	oklab(34.46% 0.0971 0.0349)
OKLCH	oklch(34.46% 0.103 19.8)
XYZ	xyz(5.9601, 3.6562, 1.9049)
Luminance	0.0365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C22 #1C645E

analogous

#641C46 #641C22 #643A1C

triadic

#641C22 #22641C #1C2264

tetradic

#641C22 #46641C #1C645E #3A1C64

square

#641C22 #46641C #1C645E #3A1C64

split-complementary

#641C22 #1C643A #1C4664

monochromatic

#180708 #340F12 #641C22 #942932 #C43743

Accessibility & contrast

On white

12.13

#641C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C22

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C22	#FFFFFF	#000000	##FFFFFF
##641C22	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C22

Deuteranopia (green-blind)

#413B20

Tritanopia (blue-blind)

#6E0A1F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c22;
/* rgb */ color: rgb(100, 28, 34);
/* oklch */ color: oklch(34.5% 0.103 19.8);

Tailwind

colors: {
  custom: {
    50: '#955d5c',
    500: '#641c22',
    950: '#000000',
  },
}

SCSS

$custom: #641c22;
$custom-light: #955d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#641c22",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 34
  },
  "hsl": {
    "h": 355,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34457,
    "c": 0.10316,
    "h": 19.8
  },
  "luminance": 0.03655
}

Semantic roles & 50–950 ramp

primary

#641C22

secondary

#439992

accent

#E0D348

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641C22

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

Preview Lab → · Contrast checker → · Palette generator →