#64111D#64111D

#64111D is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.115 H 18.9°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#64111D
RGB	rgb(100, 17, 29)
HSL	hsl(351, 71%, 23%)
HSV	hsv(351, 83%, 39%)
CMYK	cmyk(0%, 83%, 71%, 60.8%)
CIE-LAB	lab(20.83, 36.73, 15.76)
CIE-LCH	lch(20.83, 39.96, 23.22°)
OKLab	oklab(33.18% 0.1088 0.0372)
OKLCH	oklch(33.18% 0.115 18.9)
XYZ	xyz(5.6784, 3.1998, 1.4808)
Luminance	0.0320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64111D #116458

analogous

#641146 #64111D #642E11

triadic

#64111D #1D6411 #111D64

tetradic

#64111D #466411 #116458 #2E1164

square

#64111D #466411 #116458 #2E1164

split-complementary

#64111D #11642E #114664

monochromatic

#1A0408 #30080E #64111D #981A2C #CD233B

Accessibility & contrast

On white

12.81

#64111D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#64111D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64111D

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64111D	#FFFFFF	#000000	##FFFFFF
##64111D	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271D

Deuteranopia (green-blind)

#3E381A

Tritanopia (blue-blind)

#6E0016

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #64111d;
/* rgb */ color: rgb(100, 17, 29);
/* oklch */ color: oklch(33.2% 0.115 18.9);

Tailwind

colors: {
  custom: {
    50: '#965858',
    500: '#64111d',
    950: '#000000',
  },
}

SCSS

$custom: #64111d;
$custom-light: #965858;
$custom-dark: #000000;

JSON

{
  "hex": "#64111d",
  "rgb": {
    "r": 100,
    "g": 17,
    "b": 29
  },
  "hsl": {
    "h": 351.325,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33181,
    "c": 0.11502,
    "h": 18.9
  },
  "luminance": 0.03199
}

Semantic roles & 50–950 ramp

primary

#64111D

secondary

#359C8D

accent

#EED43A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64111D

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

Preview Lab → · Contrast checker → · Palette generator →