#641819#641819

#641819 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.108 H 24.5°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#641819
RGB	rgb(100, 24, 25)
HSL	hsl(359, 61%, 24%)
HSV	hsv(359, 76%, 39%)
CMYK	cmyk(0%, 76%, 75%, 60.8%)
CIE-LAB	lab(21.70, 33.86, 19.54)
CIE-LCH	lch(21.70, 39.10, 29.99°)
OKLab	oklab(33.81% 0.0988 0.0449)
OKLCH	oklch(33.81% 0.109 24.5)
XYZ	xyz(5.7583, 3.4336, 1.2791)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641819 #186463

analogous

#64183F #641819 #643D18

triadic

#641819 #196418 #181964

tetradic

#641819 #3F6418 #186463 #3D1864

square

#641819 #3F6418 #186463 #3D1864

split-complementary

#641819 #18643D #183F64

monochromatic

#190606 #330C0D #641819 #952425 #C73032

Accessibility & contrast

On white

12.45

#641819 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641819 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641819

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641819	#FFFFFF	#000000	##FFFFFF
##641819	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A18

Deuteranopia (green-blind)

#413A17

Tritanopia (blue-blind)

#6F0019

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641819;
/* rgb */ color: rgb(100, 24, 25);
/* oklch */ color: oklch(33.8% 0.108 24.5);

Tailwind

colors: {
  custom: {
    50: '#965b55',
    500: '#641819',
    950: '#000000',
  },
}

SCSS

$custom: #641819;
$custom-light: #965b55;
$custom-dark: #000000;

JSON

{
  "hex": "#641819",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 25
  },
  "hsl": {
    "h": 359.211,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.3381,
    "c": 0.1085,
    "h": 24.5
  },
  "luminance": 0.03433
}

Semantic roles & 50–950 ramp

primary

#641819

secondary

#3E9A99

accent

#E4E243

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #641819

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

Preview Lab → · Contrast checker → · Palette generator →