#641111#641111

#641111 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.0% C 0.116 H 26.4°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#641111
RGB	rgb(100, 17, 17)
HSL	hsl(0, 71%, 23%)
HSV	hsv(0, 83%, 39%)
CMYK	cmyk(0%, 83%, 83%, 60.8%)
CIE-LAB	lab(20.64, 36.13, 23.49)
CIE-LCH	lch(20.64, 43.10, 33.03°)
OKLab	oklab(32.98% 0.104 0.0516)
OKLCH	oklch(32.98% 0.116 26.4)
XYZ	xyz(5.5578, 3.1516, 0.8459)
Luminance	0.0315 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641111 #116464

analogous

#64113A #641111 #643A11

triadic

#641111 #116411 #111164

tetradic

#641111 #3A6411 #116464 #3A1164

square

#641111 #3A6411 #116464 #3A1164

split-complementary

#641111 #11643A #113A64

monochromatic

#1A0404 #300808 #641111 #981A1A #CD2323

Accessibility & contrast

On white

12.88

#641111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#641111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641111

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641111	#FFFFFF	#000000	##FFFFFF
##641111	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2610

Deuteranopia (green-blind)

#3F380D

Tritanopia (blue-blind)

#6F0012

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #641111;
/* rgb */ color: rgb(100, 17, 17);
/* oklch */ color: oklch(33.0% 0.116 26.4);

Tailwind

colors: {
  custom: {
    50: '#98584f',
    500: '#641111',
    950: '#000000',
  },
}

SCSS

$custom: #641111;
$custom-light: #98584f;
$custom-dark: #000000;

JSON

{
  "hex": "#641111",
  "rgb": {
    "r": 100,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32983,
    "c": 0.11611,
    "h": 26.4
  },
  "luminance": 0.03151
}

Semantic roles & 50–950 ramp

primary

#641111

secondary

#359C9C

accent

#EEEE3A

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641111

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

Preview Lab → · Contrast checker → · Palette generator →