#641D23#641D23

#641D23 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.102 H 19.5°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#641D23
RGB	rgb(100, 29, 35)
HSL	hsl(355, 55%, 25%)
HSV	hsv(355, 71%, 39%)
CMYK	cmyk(0%, 71%, 65%, 60.8%)
CIE-LAB	lab(22.69, 32.31, 14.02)
CIE-LCH	lch(22.69, 35.22, 23.46°)
OKLab	oklab(34.61% 0.0961 0.034)
OKLCH	oklch(34.61% 0.102 19.5)
XYZ	xyz(5.9989, 3.7102, 1.9900)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D23 #1D645E

analogous

#641D46 #641D23 #643B1D

triadic

#641D23 #23641D #1D2364

tetradic

#641D23 #46641D #1D645E #3B1D64

square

#641D23 #46641D #1D645E #3B1D64

split-complementary

#641D23 #1D643B #1D4664

monochromatic

#180708 #350F12 #641D23 #932B34 #C33944

Accessibility & contrast

On white

12.06

#641D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D23

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D23	#FFFFFF	#000000	##FFFFFF
##641D23	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D23

Deuteranopia (green-blind)

#413C21

Tritanopia (blue-blind)

#6E0D20

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d23;
/* rgb */ color: rgb(100, 29, 35);
/* oklch */ color: oklch(34.6% 0.102 19.5);

Tailwind

colors: {
  custom: {
    50: '#955e5d',
    500: '#641d23',
    950: '#000000',
  },
}

SCSS

$custom: #641d23;
$custom-light: #955e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641d23",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 35
  },
  "hsl": {
    "h": 354.93,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34605,
    "c": 0.1019,
    "h": 19.5
  },
  "luminance": 0.03709
}

Semantic roles & 50–950 ramp

primary

#641D23

secondary

#449992

accent

#DED249

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641D23

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

Preview Lab → · Contrast checker → · Palette generator →