#641C1A#641C1A

#641C1A is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.104 H 25.9°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#641C1A
RGB	rgb(100, 28, 26)
HSL	hsl(2, 59%, 25%)
HSV	hsv(2, 74%, 39%)
CMYK	cmyk(0%, 72%, 74%, 60.8%)
CIE-LAB	lab(22.36, 32.17, 19.66)
CIE-LCH	lch(22.36, 37.70, 31.42°)
OKLab	oklab(34.3% 0.0936 0.0454)
OKLCH	oklch(34.3% 0.104 25.9)
XYZ	xyz(5.8579, 3.6153, 1.3664)
Luminance	0.0361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C1A #1A6264

analogous

#641A3D #641C1A #64411A

triadic

#641C1A #1A641C #1C1A64

tetradic

#641C1A #3D641A #1A6264 #411A64

square

#641C1A #3D641A #1A6264 #411A64

split-complementary

#641C1A #1A6441 #1A3D64

monochromatic

#180706 #330E0D #641C1A #952A27 #C53733

Accessibility & contrast

On white

12.19

#641C1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641C1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C1A

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C1A	#FFFFFF	#000000	##FFFFFF
##641C1A	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C19

Deuteranopia (green-blind)

#423B18

Tritanopia (blue-blind)

#6E081C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c1a;
/* rgb */ color: rgb(100, 28, 26);
/* oklch */ color: oklch(34.3% 0.104 25.9);

Tailwind

colors: {
  custom: {
    50: '#965d56',
    500: '#641c1a',
    950: '#000000',
  },
}

SCSS

$custom: #641c1a;
$custom-light: #965d56;
$custom-dark: #000000;

JSON

{
  "hex": "#641c1a",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 26
  },
  "hsl": {
    "h": 1.622,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34303,
    "c": 0.10406,
    "h": 25.9
  },
  "luminance": 0.03614
}

Semantic roles & 50–950 ramp

primary

#641C1A

secondary

#40979A

accent

#DEE246

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #641C1A

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

Preview Lab → · Contrast checker → · Palette generator →