#641720#641720

#641720 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.109 H 18.9°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#641720
RGB	rgb(100, 23, 32)
HSL	hsl(353, 63%, 24%)
HSV	hsv(353, 77%, 39%)
CMYK	cmyk(0%, 77%, 68%, 60.8%)
CIE-LAB	lab(21.68, 34.70, 14.77)
CIE-LCH	lch(21.68, 37.71, 23.06°)
OKLab	oklab(33.83% 0.1031 0.0354)
OKLCH	oklch(33.83% 0.109 18.9)
XYZ	xyz(5.8232, 3.4273, 1.7211)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641720 #17645B

analogous

#641747 #641720 #643517

triadic

#641720 #206417 #172064

tetradic

#641720 #476417 #17645B #351764

square

#641720 #476417 #17645B #351764

split-complementary

#641720 #176435 #174764

monochromatic

#190608 #320C10 #641720 #962230 #C82E40

Accessibility & contrast

On white

12.46

#641720 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641720 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641720

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641720	#FFFFFF	#000000	##FFFFFF
##641720	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2A20

Deuteranopia (green-blind)

#403A1E

Tritanopia (blue-blind)

#6E001B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641720;
/* rgb */ color: rgb(100, 23, 32);
/* oklch */ color: oklch(33.8% 0.109 18.9);

Tailwind

colors: {
  custom: {
    50: '#965b5b',
    500: '#641720',
    950: '#000000',
  },
}

SCSS

$custom: #641720;
$custom-light: #965b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#641720",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 32
  },
  "hsl": {
    "h": 352.987,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33833,
    "c": 0.10895,
    "h": 18.9
  },
  "luminance": 0.03426
}

Semantic roles & 50–950 ramp

primary

#641720

secondary

#3C9A8F

accent

#E6D342

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641720

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

Preview Lab → · Contrast checker → · Palette generator →