#641E2B#641E2B

#641E2B is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.101 H 13.0°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#641E2B
RGB	rgb(100, 30, 43)
HSL	hsl(349, 54%, 25%)
HSV	hsv(349, 70%, 39%)
CMYK	cmyk(0%, 70%, 57%, 60.8%)
CIE-LAB	lab(23.04, 32.51, 9.02)
CIE-LCH	lch(23.04, 33.74, 15.50°)
OKLab	oklab(34.93% 0.0981 0.0227)
OKLCH	oklch(34.93% 0.101 13)
XYZ	xyz(6.1564, 3.8131, 2.6968)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641E2B #1E6457

analogous

#641E4E #641E2B #64341E

triadic

#641E2B #2B641E #1E2B64

tetradic

#641E2B #4E641E #1E6457 #341E64

square

#641E2B #4E641E #1E6457 #341E64

split-complementary

#641E2B #1E6434 #1E4E64

monochromatic

#18070A #351017 #641E2B #932C3F #C23A53

Accessibility & contrast

On white

11.92

#641E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#641E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641E2B

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641E2B	#FFFFFF	#000000	##FFFFFF
##641E2B	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2B

Deuteranopia (green-blind)

#413C29

Tritanopia (blue-blind)

#6E1123

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641e2b;
/* rgb */ color: rgb(100, 30, 43);
/* oklch */ color: oklch(34.9% 0.101 13.0);

Tailwind

colors: {
  custom: {
    50: '#955f64',
    500: '#641e2b',
    950: '#000000',
  },
}

SCSS

$custom: #641e2b;
$custom-light: #955f64;
$custom-dark: #000000;

JSON

{
  "hex": "#641e2b",
  "rgb": {
    "r": 100,
    "g": 30,
    "b": 43
  },
  "hsl": {
    "h": 348.857,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34929,
    "c": 0.10073,
    "h": 13
  },
  "luminance": 0.03812
}

Semantic roles & 50–950 ramp

primary

#641E2B

secondary

#459989

accent

#DDC24B

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #641E2B

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

Preview Lab → · Contrast checker → · Palette generator →