#641D1A#641D1A

#641D1A is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.4% C 0.103 H 26.4°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#641D1A
RGB	rgb(100, 29, 26)
HSL	hsl(2, 59%, 25%)
HSV	hsv(2, 74%, 39%)
CMYK	cmyk(0%, 71%, 74%, 60.8%)
CIE-LAB	lab(22.53, 31.71, 19.86)
CIE-LCH	lch(22.53, 37.41, 32.05°)
OKLab	oklab(34.43% 0.0922 0.0458)
OKLCH	oklch(34.43% 0.103 26.4)
XYZ	xyz(5.8820, 3.6635, 1.3745)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D1A #1A6164

analogous

#641A3C #641D1A #64421A

triadic

#641D1A #1A641D #1D1A64

tetradic

#641D1A #3C641A #1A6164 #421A64

square

#641D1A #3C641A #1A6164 #421A64

split-complementary

#641D1A #1A6442 #1A3C64

monochromatic

#180706 #330F0D #641D1A #952B27 #C53933

Accessibility & contrast

On white

12.12

#641D1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641D1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D1A

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D1A	#FFFFFF	#000000	##FFFFFF
##641D1A	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C19

Deuteranopia (green-blind)

#423B18

Tritanopia (blue-blind)

#6E0A1D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d1a;
/* rgb */ color: rgb(100, 29, 26);
/* oklch */ color: oklch(34.4% 0.103 26.4);

Tailwind

colors: {
  custom: {
    50: '#965e56',
    500: '#641d1a',
    950: '#000000',
  },
}

SCSS

$custom: #641d1a;
$custom-light: #965e56;
$custom-dark: #000000;

JSON

{
  "hex": "#641d1a",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 26
  },
  "hsl": {
    "h": 2.432,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3443,
    "c": 0.10295,
    "h": 26.4
  },
  "luminance": 0.03663
}

Semantic roles & 50–950 ramp

primary

#641D1A

secondary

#40969A

accent

#DCE246

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #641D1A

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

Preview Lab → · Contrast checker → · Palette generator →