#64271C#64271C

#64271C is a dark, moderate red. Relative luminance 0.042; OKLCH L 35.9% C 0.091 H 32.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#64271C
RGB	rgb(100, 39, 28)
HSL	hsl(9, 56%, 25%)
HSV	hsv(9, 72%, 39%)
CMYK	cmyk(0%, 61%, 72%, 60.8%)
CIE-LAB	lab(24.47, 26.76, 20.87)
CIE-LCH	lch(24.47, 33.93, 37.95°)
OKLab	oklab(35.9% 0.0771 0.0484)
OKLCH	oklch(35.9% 0.091 32.1)
XYZ	xyz(6.1912, 4.2450, 1.5917)
Luminance	0.0424 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64271C #1C5964

analogous

#641C35 #64271C #644B1C

triadic

#64271C #1C6427 #271C64

tetradic

#64271C #35641C #1C5964 #4B1C64

square

#64271C #35641C #1C5964 #4B1C64

split-complementary

#64271C #1C644B #1C3564

monochromatic

#180907 #34140F #64271C #943A29 #C44C37

Accessibility & contrast

On white

11.36

#64271C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#64271C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64271C

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64271C	#FFFFFF	#000000	##FFFFFF
##64271C	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321B

Deuteranopia (green-blind)

#463F1A

Tritanopia (blue-blind)

#6E1A25

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #64271c;
/* rgb */ color: rgb(100, 39, 28);
/* oklch */ color: oklch(35.9% 0.091 32.1);

Tailwind

colors: {
  custom: {
    50: '#956358',
    500: '#64271c',
    950: '#000000',
  },
}

SCSS

$custom: #64271c;
$custom-light: #956358;
$custom-dark: #000000;

JSON

{
  "hex": "#64271c",
  "rgb": {
    "r": 100,
    "g": 39,
    "b": 28
  },
  "hsl": {
    "h": 9.167,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35901,
    "c": 0.09106,
    "h": 32.1
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#64271C

secondary

#438C99

accent

#C8E048

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #64271C

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

Preview Lab → · Contrast checker → · Palette generator →