#64241B#64241B

#64241B is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.4% C 0.095 H 30.4°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#64241B
RGB	rgb(100, 36, 27)
HSL	hsl(7, 57%, 25%)
HSV	hsv(7, 73%, 39%)
CMYK	cmyk(0%, 64%, 73%, 60.8%)
CIE-LAB	lab(23.84, 28.30, 20.76)
CIE-LCH	lch(23.84, 35.10, 36.27°)
OKLab	oklab(35.42% 0.0817 0.048)
OKLCH	oklch(35.42% 0.095 30.4)
XYZ	xyz(6.0848, 4.0510, 1.4982)
Luminance	0.0405 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64241B #1B5B64

analogous

#641B37 #64241B #64481B

triadic

#64241B #1B6424 #241B64

tetradic

#64241B #37641B #1B5B64 #481B64

square

#64241B #37641B #1B5B64 #481B64

split-complementary

#64241B #1B6448 #1B3764

monochromatic

#180907 #34130E #64241B #943528 #C44735

Accessibility & contrast

On white

11.60

#64241B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#64241B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64241B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64241B	#FFFFFF	#000000	##FFFFFF
##64241B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35301A

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#6E1622

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #64241b;
/* rgb */ color: rgb(100, 36, 27);
/* oklch */ color: oklch(35.4% 0.095 30.4);

Tailwind

colors: {
  custom: {
    50: '#966257',
    500: '#64241b',
    950: '#000000',
  },
}

SCSS

$custom: #64241b;
$custom-light: #966257;
$custom-dark: #000000;

JSON

{
  "hex": "#64241b",
  "rgb": {
    "r": 100,
    "g": 36,
    "b": 27
  },
  "hsl": {
    "h": 7.397,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35423,
    "c": 0.09477,
    "h": 30.4
  },
  "luminance": 0.0405
}

Semantic roles & 50–950 ramp

primary

#64241B

secondary

#418F99

accent

#CEE147

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #64241B

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

Preview Lab → · Contrast checker → · Palette generator →