#641911#641911

#641911 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.109 H 29.8°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#641911
RGB	rgb(100, 25, 17)
HSL	hsl(6, 71%, 23%)
HSV	hsv(6, 83%, 39%)
CMYK	cmyk(0%, 75%, 83%, 60.8%)
CIE-LAB	lab(21.75, 33.06, 24.70)
CIE-LCH	lch(21.75, 41.27, 36.76°)
OKLab	oklab(33.81% 0.0944 0.0541)
OKLCH	oklch(33.81% 0.109 29.8)
XYZ	xyz(5.7050, 3.4459, 0.8949)
Luminance	0.0345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641911 #115C64

analogous

#641132 #641911 #644211

triadic

#641911 #116419 #191164

tetradic

#641911 #326411 #115C64 #421164

square

#641911 #326411 #115C64 #421164

split-complementary

#641911 #116442 #113264

monochromatic

#1A0704 #300C08 #641911 #98261A #CD3323

Accessibility & contrast

On white

12.43

#641911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641911

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641911	#FFFFFF	#000000	##FFFFFF
##641911	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A0F

Deuteranopia (green-blind)

#423A0E

Tritanopia (blue-blind)

#6F0018

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641911;
/* rgb */ color: rgb(100, 25, 17);
/* oklch */ color: oklch(33.8% 0.109 29.8);

Tailwind

colors: {
  custom: {
    50: '#975b4f',
    500: '#641911',
    950: '#000000',
  },
}

SCSS

$custom: #641911;
$custom-light: #975b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#641911",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 17
  },
  "hsl": {
    "h": 5.783,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33809,
    "c": 0.10878,
    "h": 29.8
  },
  "luminance": 0.03445
}

Semantic roles & 50–950 ramp

primary

#641911

secondary

#35929C

accent

#DCEE3A

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641911

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

Preview Lab → · Contrast checker → · Palette generator →