#641D17#641D17

#641D17 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.103 H 28.5°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#641D17
RGB	rgb(100, 29, 23)
HSL	hsl(5, 63%, 24%)
HSV	hsv(5, 77%, 39%)
CMYK	cmyk(0%, 71%, 77%, 60.8%)
CIE-LAB	lab(22.48, 31.55, 21.75)
CIE-LCH	lch(22.48, 38.32, 34.59°)
OKLab	oklab(34.38% 0.091 0.0494)
OKLCH	oklch(34.38% 0.104 28.5)
XYZ	xyz(5.8502, 3.6508, 1.2071)
Luminance	0.0365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D17 #175E64

analogous

#641738 #641D17 #644417

triadic

#641D17 #17641D #1D1764

tetradic

#641D17 #386417 #175E64 #441764

square

#641D17 #386417 #175E64 #441764

split-complementary

#641D17 #176444 #173864

monochromatic

#190706 #320F0C #641D17 #962B22 #C83A2E

Accessibility & contrast

On white

12.14

#641D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D17

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D17	#FFFFFF	#000000	##FFFFFF
##641D17	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C16

Deuteranopia (green-blind)

#433B15

Tritanopia (blue-blind)

#6F091C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d17;
/* rgb */ color: rgb(100, 29, 23);
/* oklch */ color: oklch(34.4% 0.103 28.5);

Tailwind

colors: {
  custom: {
    50: '#965e54',
    500: '#641d17',
    950: '#000000',
  },
}

SCSS

$custom: #641d17;
$custom-light: #965e54;
$custom-dark: #000000;

JSON

{
  "hex": "#641d17",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 23
  },
  "hsl": {
    "h": 4.675,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34383,
    "c": 0.1035,
    "h": 28.5
  },
  "luminance": 0.0365
}

Semantic roles & 50–950 ramp

primary

#641D17

secondary

#3C939A

accent

#D9E642

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641D17

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

Preview Lab → · Contrast checker → · Palette generator →