#641817#641817

#641817 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.109 H 25.8°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#641817
RGB	rgb(100, 24, 23)
HSL	hsl(1, 63%, 24%)
HSV	hsv(1, 77%, 39%)
CMYK	cmyk(0%, 76%, 77%, 60.8%)
CIE-LAB	lab(21.67, 33.76, 20.82)
CIE-LCH	lch(21.67, 39.66, 31.67°)
OKLab	oklab(33.78% 0.0979 0.0473)
OKLCH	oklch(33.78% 0.109 25.8)
XYZ	xyz(5.7375, 3.4253, 1.1695)
Luminance	0.0342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641817 #176364

analogous

#64173D #641817 #643F17

triadic

#641817 #176418 #181764

tetradic

#641817 #3D6417 #176364 #3F1764

square

#641817 #3D6417 #176364 #3F1764

split-complementary

#641817 #17643F #173D64

monochromatic

#190606 #320C0C #641817 #962422 #C8302E

Accessibility & contrast

On white

12.46

#641817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641817

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641817	#FFFFFF	#000000	##FFFFFF
##641817	1.00	12.46	1.68	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2916

Deuteranopia (green-blind)

#413A14

Tritanopia (blue-blind)

#6F0019

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641817;
/* rgb */ color: rgb(100, 24, 23);
/* oklch */ color: oklch(33.8% 0.109 25.8);

Tailwind

colors: {
  custom: {
    50: '#975b54',
    500: '#641817',
    950: '#000000',
  },
}

SCSS

$custom: #641817;
$custom-light: #975b54;
$custom-dark: #000000;

JSON

{
  "hex": "#641817",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 0.779,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33777,
    "c": 0.10878,
    "h": 25.8
  },
  "luminance": 0.03424
}

Semantic roles & 50–950 ramp

primary

#641817

secondary

#3C999A

accent

#E4E642

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641817

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

Preview Lab → · Contrast checker → · Palette generator →