#641811#641811

#641811 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.110 H 29.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#641811
RGB	rgb(100, 24, 17)
HSL	hsl(5, 71%, 23%)
HSV	hsv(5, 83%, 39%)
CMYK	cmyk(0%, 76%, 83%, 60.8%)
CIE-LAB	lab(21.59, 33.49, 24.53)
CIE-LCH	lch(21.59, 41.51, 36.23°)
OKLab	oklab(33.69% 0.0957 0.0538)
OKLCH	oklch(33.69% 0.11 29.3)
XYZ	xyz(5.6840, 3.4039, 0.8879)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641811 #115D64

analogous

#641133 #641811 #644111

triadic

#641811 #116418 #181164

tetradic

#641811 #336411 #115D64 #411164

square

#641811 #336411 #115D64 #411164

split-complementary

#641811 #116441 #113364

monochromatic

#1A0604 #300B08 #641811 #98251A #CD3123

Accessibility & contrast

On white

12.50

#641811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641811

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641811	#FFFFFF	#000000	##FFFFFF
##641811	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F290F

Deuteranopia (green-blind)

#413A0E

Tritanopia (blue-blind)

#6F0017

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641811;
/* rgb */ color: rgb(100, 24, 17);
/* oklch */ color: oklch(33.7% 0.110 29.3);

Tailwind

colors: {
  custom: {
    50: '#975b4f',
    500: '#641811',
    950: '#000000',
  },
}

SCSS

$custom: #641811;
$custom-light: #975b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#641811",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 17
  },
  "hsl": {
    "h": 5.06,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33694,
    "c": 0.10976,
    "h": 29.3
  },
  "luminance": 0.03403
}

Semantic roles & 50–950 ramp

primary

#641811

secondary

#35939C

accent

#DFEE3A

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641811

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

Preview Lab → · Contrast checker → · Palette generator →