#64201B#64201B

#64201B is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.099 H 27.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#64201B
RGB	rgb(100, 32, 27)
HSL	hsl(4, 57%, 25%)
HSV	hsv(4, 73%, 39%)
CMYK	cmyk(0%, 68%, 73%, 60.8%)
CIE-LAB	lab(23.08, 30.33, 19.86)
CIE-LCH	lch(23.08, 36.25, 33.21°)
OKLab	oklab(34.85% 0.0881 0.046)
OKLCH	oklch(34.85% 0.099 27.6)
XYZ	xyz(5.9705, 3.8223, 1.4601)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64201B #1B5F64

analogous

#641B3A #64201B #64451B

triadic

#64201B #1B6420 #201B64

tetradic

#64201B #3A641B #1B5F64 #451B64

square

#64201B #3A641B #1B5F64 #451B64

split-complementary

#64201B #1B6445 #1B3A64

monochromatic

#180807 #34110E #64201B #942F28 #C43F35

Accessibility & contrast

On white

11.90

#64201B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#64201B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64201B

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64201B	#FFFFFF	#000000	##FFFFFF
##64201B	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E1A

Deuteranopia (green-blind)

#433D19

Tritanopia (blue-blind)

#6E101F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #64201b;
/* rgb */ color: rgb(100, 32, 27);
/* oklch */ color: oklch(34.8% 0.099 27.6);

Tailwind

colors: {
  custom: {
    50: '#965f57',
    500: '#64201b',
    950: '#000000',
  },
}

SCSS

$custom: #64201b;
$custom-light: #965f57;
$custom-dark: #000000;

JSON

{
  "hex": "#64201b",
  "rgb": {
    "r": 100,
    "g": 32,
    "b": 27
  },
  "hsl": {
    "h": 4.11,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34847,
    "c": 0.09938,
    "h": 27.6
  },
  "luminance": 0.03821
}

Semantic roles & 50–950 ramp

primary

#64201B

secondary

#419399

accent

#D6E147

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #64201B

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

Preview Lab → · Contrast checker → · Palette generator →