#64211B#64211B

#64211B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.098 H 28.3°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#64211B
RGB	rgb(100, 33, 27)
HSL	hsl(5, 57%, 25%)
HSV	hsv(5, 73%, 39%)
CMYK	cmyk(0%, 67%, 73%, 60.8%)
CIE-LAB	lab(23.26, 29.84, 20.08)
CIE-LCH	lch(23.26, 35.96, 33.94°)
OKLab	oklab(34.99% 0.0865 0.0465)
OKLCH	oklch(34.99% 0.098 28.3)
XYZ	xyz(5.9978, 3.8770, 1.4692)
Luminance	0.0388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64211B #1B5E64

analogous

#641B39 #64211B #64461B

triadic

#64211B #1B6421 #211B64

tetradic

#64211B #39641B #1B5E64 #461B64

square

#64211B #39641B #1B5E64 #461B64

split-complementary

#64211B #1B6446 #1B3964

monochromatic

#180807 #34110E #64211B #943128 #C44135

Accessibility & contrast

On white

11.83

#64211B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#64211B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64211B

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64211B	#FFFFFF	#000000	##FFFFFF
##64211B	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1A

Deuteranopia (green-blind)

#443D19

Tritanopia (blue-blind)

#6E1120

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #64211b;
/* rgb */ color: rgb(100, 33, 27);
/* oklch */ color: oklch(35.0% 0.098 28.3);

Tailwind

colors: {
  custom: {
    50: '#966057',
    500: '#64211b',
    950: '#000000',
  },
}

SCSS

$custom: #64211b;
$custom-light: #966057;
$custom-dark: #000000;

JSON

{
  "hex": "#64211b",
  "rgb": {
    "r": 100,
    "g": 33,
    "b": 27
  },
  "hsl": {
    "h": 4.932,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34987,
    "c": 0.09822,
    "h": 28.3
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#64211B

secondary

#419299

accent

#D4E147

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #64211B

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

Preview Lab → · Contrast checker → · Palette generator →