#64271A#64271A

#64271A is a dark, moderate red. Relative luminance 0.042; OKLCH L 35.9% C 0.092 H 33.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#64271A
RGB	rgb(100, 39, 26)
HSL	hsl(11, 59%, 25%)
HSV	hsv(11, 74%, 39%)
CMYK	cmyk(0%, 61%, 74%, 60.8%)
CIE-LAB	lab(24.44, 26.63, 22.10)
CIE-LCH	lch(24.44, 34.61, 39.68°)
OKLab	oklab(35.87% 0.0763 0.0507)
OKLCH	oklch(35.87% 0.092 33.6)
XYZ	xyz(6.1681, 4.2358, 1.4699)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64271A #1A5764

analogous

#641A32 #64271A #644C1A

triadic

#64271A #1A6427 #271A64

tetradic

#64271A #32641A #1A5764 #4C1A64

square

#64271A #32641A #1A5764 #4C1A64

split-complementary

#64271A #1A644C #1A3264

monochromatic

#180906 #33140D #64271A #953A27 #C54D33

Accessibility & contrast

On white

11.37

#64271A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#64271A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64271A

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64271A	#FFFFFF	#000000	##FFFFFF
##64271A	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373218

Deuteranopia (green-blind)

#463F18

Tritanopia (blue-blind)

#6E1A24

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #64271a;
/* rgb */ color: rgb(100, 39, 26);
/* oklch */ color: oklch(35.9% 0.092 33.6);

Tailwind

colors: {
  custom: {
    50: '#956357',
    500: '#64271a',
    950: '#000000',
  },
}

SCSS

$custom: #64271a;
$custom-light: #956357;
$custom-dark: #000000;

JSON

{
  "hex": "#64271a",
  "rgb": {
    "r": 100,
    "g": 39,
    "b": 26
  },
  "hsl": {
    "h": 10.541,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35869,
    "c": 0.09165,
    "h": 33.6
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#64271A

secondary

#408A9A

accent

#C7E246

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #64271A

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

Preview Lab → · Contrast checker → · Palette generator →