#64221D#64221D

#64221D is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.097 H 27.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#64221D
RGB	rgb(100, 34, 29)
HSL	hsl(4, 55%, 25%)
HSV	hsv(4, 71%, 39%)
CMYK	cmyk(0%, 66%, 71%, 60.8%)
CIE-LAB	lab(23.48, 29.46, 19.04)
CIE-LCH	lch(23.48, 35.07, 32.87°)
OKLab	oklab(35.16% 0.0858 0.0445)
OKLCH	oklch(35.16% 0.097 27.4)
XYZ	xyz(6.0499, 3.9429, 1.6046)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64221D #1D5F64

analogous

#641D3C #64221D #64451D

triadic

#64221D #1D6422 #221D64

tetradic

#64221D #3C641D #1D5F64 #451D64

square

#64221D #3C641D #1D5F64 #451D64

split-complementary

#64221D #1D6445 #1D3C64

monochromatic

#180807 #35120F #64221D #93322B #C34239

Accessibility & contrast

On white

11.74

#64221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#64221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64221D

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64221D	#FFFFFF	#000000	##FFFFFF
##64221D	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1C

Deuteranopia (green-blind)

#443D1B

Tritanopia (blue-blind)

#6E1321

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #64221d;
/* rgb */ color: rgb(100, 34, 29);
/* oklch */ color: oklch(35.2% 0.097 27.4);

Tailwind

colors: {
  custom: {
    50: '#956059',
    500: '#64221d',
    950: '#000000',
  },
}

SCSS

$custom: #64221d;
$custom-light: #956059;
$custom-dark: #000000;

JSON

{
  "hex": "#64221d",
  "rgb": {
    "r": 100,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 4.225,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35164,
    "c": 0.09665,
    "h": 27.4
  },
  "luminance": 0.03942
}

Semantic roles & 50–950 ramp

primary

#64221D

secondary

#449399

accent

#D4DE49

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #64221D

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

Preview Lab → · Contrast checker → · Palette generator →