#64111C#64111C

#64111C is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.115 H 19.6°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#64111C
RGB	rgb(100, 17, 28)
HSL	hsl(352, 71%, 23%)
HSV	hsv(352, 83%, 39%)
CMYK	cmyk(0%, 83%, 72%, 60.8%)
CIE-LAB	lab(20.81, 36.67, 16.42)
CIE-LCH	lch(20.81, 40.18, 24.13°)
OKLab	oklab(33.16% 0.1084 0.0386)
OKLCH	oklch(33.16% 0.115 19.6)
XYZ	xyz(5.6662, 3.1949, 1.4167)
Luminance	0.0319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64111C #116459

analogous

#641145 #64111C #642F11

triadic

#64111C #1C6411 #111C64

tetradic

#64111C #456411 #116459 #2F1164

square

#64111C #456411 #116459 #2F1164

split-complementary

#64111C #11642F #114564

monochromatic

#1A0407 #30080D #64111C #981A2B #CD2339

Accessibility & contrast

On white

12.81

#64111C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#64111C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64111C

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64111C	#FFFFFF	#000000	##FFFFFF
##64111C	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)

#2A271C

Deuteranopia (green-blind)

#3F3819

Tritanopia (blue-blind)

#6F0016

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #64111c;
/* rgb */ color: rgb(100, 17, 28);
/* oklch */ color: oklch(33.2% 0.115 19.6);

Tailwind

colors: {
  custom: {
    50: '#975857',
    500: '#64111c',
    950: '#000000',
  },
}

SCSS

$custom: #64111c;
$custom-light: #975857;
$custom-dark: #000000;

JSON

{
  "hex": "#64111c",
  "rgb": {
    "r": 100,
    "g": 17,
    "b": 28
  },
  "hsl": {
    "h": 352.048,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33161,
    "c": 0.11506,
    "h": 19.6
  },
  "luminance": 0.03194
}

Semantic roles & 50–950 ramp

primary

#64111C

secondary

#359C8F

accent

#EED63A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64111C

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

Preview Lab → · Contrast checker → · Palette generator →