#641D11#641D11

#641D11 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.105 H 32.1°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#641D11
RGB	rgb(100, 29, 17)
HSL	hsl(9, 71%, 23%)
HSV	hsv(9, 83%, 39%)
CMYK	cmyk(0%, 71%, 83%, 60.8%)
CIE-LAB	lab(22.41, 31.27, 25.39)
CIE-LCH	lch(22.41, 40.28, 39.08°)
OKLab	oklab(34.3% 0.0888 0.0556)
OKLCH	oklch(34.3% 0.105 32.1)
XYZ	xyz(5.7967, 3.6294, 0.9255)
Luminance	0.0363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D11 #115864

analogous

#64112E #641D11 #644611

triadic

#641D11 #11641D #1D1164

tetradic

#641D11 #2E6411 #115864 #461164

square

#641D11 #2E6411 #115864 #461164

split-complementary

#641D11 #116446 #112E64

monochromatic

#1A0804 #300E08 #641D11 #982C1A #CD3B23

Accessibility & contrast

On white

12.17

#641D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D11

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D11	#FFFFFF	#000000	##FFFFFF
##641D11	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C0F

Deuteranopia (green-blind)

#433B0E

Tritanopia (blue-blind)

#6F071B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d11;
/* rgb */ color: rgb(100, 29, 17);
/* oklch */ color: oklch(34.3% 0.105 32.1);

Tailwind

colors: {
  custom: {
    50: '#975d50',
    500: '#641d11',
    950: '#000000',
  },
}

SCSS

$custom: #641d11;
$custom-light: #975d50;
$custom-dark: #000000;

JSON

{
  "hex": "#641d11",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 17
  },
  "hsl": {
    "h": 8.675,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34302,
    "c": 0.10474,
    "h": 32.1
  },
  "luminance": 0.03629
}

Semantic roles & 50–950 ramp

primary

#641D11

secondary

#358D9C

accent

#D4EE3A

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641D11

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

Preview Lab → · Contrast checker → · Palette generator →