#641820#641820

#641820 is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.9% C 0.108 H 19.4°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#641820
RGB	rgb(100, 24, 32)
HSL	hsl(354, 61%, 24%)
HSV	hsv(354, 76%, 39%)
CMYK	cmyk(0%, 76%, 68%, 60.8%)
CIE-LAB	lab(21.83, 34.29, 14.96)
CIE-LCH	lch(21.83, 37.41, 23.57°)
OKLab	oklab(33.94% 0.1017 0.0358)
OKLCH	oklch(33.94% 0.108 19.4)
XYZ	xyz(5.8435, 3.4677, 1.7279)
Luminance	0.0347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641820 #18645C

analogous

#641846 #641820 #643618

triadic

#641820 #206418 #182064

tetradic

#641820 #466418 #18645C #361864

square

#641820 #466418 #18645C #361864

split-complementary

#641820 #186436 #184664

monochromatic

#190608 #330C10 #641820 #952430 #C73040

Accessibility & contrast

On white

12.40

#641820 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641820 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641820

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641820	#FFFFFF	#000000	##FFFFFF
##641820	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A20

Deuteranopia (green-blind)

#403A1E

Tritanopia (blue-blind)

#6E021C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641820;
/* rgb */ color: rgb(100, 24, 32);
/* oklch */ color: oklch(33.9% 0.108 19.4);

Tailwind

colors: {
  custom: {
    50: '#965b5b',
    500: '#641820',
    950: '#000000',
  },
}

SCSS

$custom: #641820;
$custom-light: #965b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#641820",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 32
  },
  "hsl": {
    "h": 353.684,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33942,
    "c": 0.10785,
    "h": 19.4
  },
  "luminance": 0.03467
}

Semantic roles & 50–950 ramp

primary

#641820

secondary

#3E9A90

accent

#E4D343

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641820

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

Preview Lab → · Contrast checker → · Palette generator →