#641F11#641F11

#641F11 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.103 H 33.3°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#641F11
RGB	rgb(100, 31, 17)
HSL	hsl(10, 71%, 23%)
HSV	hsv(10, 83%, 39%)
CMYK	cmyk(0%, 69%, 83%, 60.8%)
CIE-LAB	lab(22.76, 30.31, 25.76)
CIE-LCH	lch(22.76, 39.78, 40.36°)
OKLab	oklab(34.57% 0.0858 0.0564)
OKLCH	oklch(34.57% 0.103 33.3)
XYZ	xyz(5.8473, 3.7306, 0.9424)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F11 #115664

analogous

#64112D #641F11 #644811

triadic

#641F11 #11641F #1F1164

tetradic

#641F11 #2D6411 #115664 #481164

square

#641F11 #2D6411 #115664 #481164

split-complementary

#641F11 #116448 #112D64

monochromatic

#1A0804 #300F08 #641F11 #982F1A #CD3F23

Accessibility & contrast

On white

12.03

#641F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F11

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F11	#FFFFFF	#000000	##FFFFFF
##641F11	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D0F

Deuteranopia (green-blind)

#443C0E

Tritanopia (blue-blind)

#6F0C1C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641f11;
/* rgb */ color: rgb(100, 31, 17);
/* oklch */ color: oklch(34.6% 0.103 33.3);

Tailwind

colors: {
  custom: {
    50: '#975e50',
    500: '#641f11',
    950: '#000000',
  },
}

SCSS

$custom: #641f11;
$custom-light: #975e50;
$custom-dark: #000000;

JSON

{
  "hex": "#641f11",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 17
  },
  "hsl": {
    "h": 10.12,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34568,
    "c": 0.10268,
    "h": 33.3
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary

#641F11

secondary

#358B9C

accent

#CFEE3A

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0502

muted

#7E7978

Preview Lab

Preview with #641F11

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

Preview Lab → · Contrast checker → · Palette generator →