#641E1D#641E1D

#641E1D is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.101 H 24.8°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#641E1D
RGB	rgb(100, 30, 29)
HSL	hsl(1, 55%, 25%)
HSV	hsv(1, 71%, 39%)
CMYK	cmyk(0%, 70%, 71%, 60.8%)
CIE-LAB	lab(22.75, 31.42, 18.14)
CIE-LCH	lch(22.75, 36.28, 30.00°)
OKLab	oklab(34.61% 0.092 0.0426)
OKLCH	oklch(34.61% 0.101 24.8)
XYZ	xyz(5.9422, 3.7274, 1.5687)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641E1D #1D6364

analogous

#641D3F #641E1D #64411D

triadic

#641E1D #1D641E #1E1D64

tetradic

#641E1D #3F641D #1D6364 #411D64

square

#641E1D #3F641D #1D6364 #411D64

split-complementary

#641E1D #1D6441 #1D3F64

monochromatic

#180707 #35100F #641E1D #932C2B #C33A39

Accessibility & contrast

On white

12.03

#641E1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641E1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641E1D

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641E1D	#FFFFFF	#000000	##FFFFFF
##641E1D	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1C

Deuteranopia (green-blind)

#423C1B

Tritanopia (blue-blind)

#6E0D1E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641e1d;
/* rgb */ color: rgb(100, 30, 29);
/* oklch */ color: oklch(34.6% 0.101 24.8);

Tailwind

colors: {
  custom: {
    50: '#965e59',
    500: '#641e1d',
    950: '#000000',
  },
}

SCSS

$custom: #641e1d;
$custom-light: #965e59;
$custom-dark: #000000;

JSON

{
  "hex": "#641e1d",
  "rgb": {
    "r": 100,
    "g": 30,
    "b": 29
  },
  "hsl": {
    "h": 0.845,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34613,
    "c": 0.10133,
    "h": 24.8
  },
  "luminance": 0.03727
}

Semantic roles & 50–950 ramp

primary

#641E1D

secondary

#449899

accent

#DCDE49

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #641E1D

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

Preview Lab → · Contrast checker → · Palette generator →