#64111B#64111B

#64111B is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.115 H 20.3°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#64111B
RGB	rgb(100, 17, 27)
HSL	hsl(353, 71%, 23%)
HSV	hsv(353, 83%, 39%)
CMYK	cmyk(0%, 83%, 73%, 60.8%)
CIE-LAB	lab(20.79, 36.61, 17.09)
CIE-LCH	lch(20.79, 40.40, 25.02°)
OKLab	oklab(33.14% 0.108 0.0399)
OKLCH	oklch(33.14% 0.115 20.3)
XYZ	xyz(5.6544, 3.1902, 1.3547)
Luminance	0.0319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64111B #11645A

analogous

#641144 #64111B #643011

triadic

#64111B #1B6411 #111B64

tetradic

#64111B #446411 #11645A #301164

square

#64111B #446411 #11645A #301164

split-complementary

#64111B #116430 #114464

monochromatic

#1A0407 #30080D #64111B #981A29 #CD2337

Accessibility & contrast

On white

12.82

#64111B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#64111B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64111B

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64111B	#FFFFFF	#000000	##FFFFFF
##64111B	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271B

Deuteranopia (green-blind)

#3F3818

Tritanopia (blue-blind)

#6F0016

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #64111b;
/* rgb */ color: rgb(100, 17, 27);
/* oklch */ color: oklch(33.1% 0.115 20.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#64111b",
  "rgb": {
    "r": 100,
    "g": 17,
    "b": 27
  },
  "hsl": {
    "h": 352.771,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33142,
    "c": 0.11511,
    "h": 20.3
  },
  "luminance": 0.03189
}

Semantic roles & 50–950 ramp

primary

#64111B

secondary

#359C90

accent

#EED83A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64111B

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

Preview Lab → · Contrast checker → · Palette generator →