#641719#641719

#641719 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.110 H 24.0°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#641719
RGB	rgb(100, 23, 25)
HSL	hsl(358, 63%, 24%)
HSV	hsv(358, 77%, 39%)
CMYK	cmyk(0%, 77%, 75%, 60.8%)
CIE-LAB	lab(21.55, 34.27, 19.36)
CIE-LCH	lch(21.55, 39.36, 29.47°)
OKLab	oklab(33.7% 0.1001 0.0446)
OKLCH	oklch(33.7% 0.11 24)
XYZ	xyz(5.7380, 3.3932, 1.2723)
Luminance	0.0339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641719 #176462

analogous

#641740 #641719 #643C17

triadic

#641719 #196417 #171964

tetradic

#641719 #406417 #176462 #3C1764

square

#641719 #406417 #176462 #3C1764

split-complementary

#641719 #17643C #174064

monochromatic

#190606 #320C0D #641719 #962225 #C82E32

Accessibility & contrast

On white

12.51

#641719 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641719 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641719

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641719	#FFFFFF	#000000	##FFFFFF
##641719	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2918

Deuteranopia (green-blind)

#403A16

Tritanopia (blue-blind)

#6F0019

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641719;
/* rgb */ color: rgb(100, 23, 25);
/* oklch */ color: oklch(33.7% 0.110 24.0);

Tailwind

colors: {
  custom: {
    50: '#975b55',
    500: '#641719',
    950: '#000000',
  },
}

SCSS

$custom: #641719;
$custom-light: #975b55;
$custom-dark: #000000;

JSON

{
  "hex": "#641719",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 25
  },
  "hsl": {
    "h": 358.442,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33699,
    "c": 0.10952,
    "h": 24
  },
  "luminance": 0.03392
}

Semantic roles & 50–950 ramp

primary

#641719

secondary

#3C9A98

accent

#E6E142

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #641719

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

Preview Lab → · Contrast checker → · Palette generator →