#641D1E#641D1E

#641D1E is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.5% C 0.102 H 23.5°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#641D1E
RGB	rgb(100, 29, 30)
HSL	hsl(359, 55%, 25%)
HSV	hsv(359, 71%, 39%)
CMYK	cmyk(0%, 71%, 70%, 60.8%)
CIE-LAB	lab(22.59, 31.96, 17.28)
CIE-LCH	lch(22.59, 36.33, 28.40°)
OKLab	oklab(34.5% 0.0939 0.0408)
OKLCH	oklch(34.5% 0.102 23.5)
XYZ	xyz(5.9298, 3.6826, 1.6266)
Luminance	0.0368 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D1E #1D6463

analogous

#641D41 #641D1E #643F1D

triadic

#641D1E #1E641D #1D1E64

tetradic

#641D1E #41641D #1D6463 #3F1D64

square

#641D1E #41641D #1D6463 #3F1D64

split-complementary

#641D1E #1D643F #1D4164

monochromatic

#180707 #350F10 #641D1E #932B2C #C3393A

Accessibility & contrast

On white

12.09

#641D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D1E

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D1E	#FFFFFF	#000000	##FFFFFF
##641D1E	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1D

Deuteranopia (green-blind)

#423C1C

Tritanopia (blue-blind)

#6E0B1E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d1e;
/* rgb */ color: rgb(100, 29, 30);
/* oklch */ color: oklch(34.5% 0.102 23.5);

Tailwind

colors: {
  custom: {
    50: '#965e59',
    500: '#641d1e',
    950: '#000000',
  },
}

SCSS

$custom: #641d1e;
$custom-light: #965e59;
$custom-dark: #000000;

JSON

{
  "hex": "#641d1e",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 30
  },
  "hsl": {
    "h": 359.155,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34502,
    "c": 0.10236,
    "h": 23.5
  },
  "luminance": 0.03682
}

Semantic roles & 50–950 ramp

primary

#641D1E

secondary

#449998

accent

#DEDC49

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #641D1E

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

Preview Lab → · Contrast checker → · Palette generator →