#641D2C#641D2C

#641D2C is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.102 H 11.6°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#641D2C
RGB	rgb(100, 29, 44)
HSL	hsl(347, 55%, 25%)
HSV	hsv(347, 71%, 39%)
CMYK	cmyk(0%, 71%, 56%, 60.8%)
CIE-LAB	lab(22.90, 33.07, 8.13)
CIE-LCH	lch(22.90, 34.05, 13.81°)
OKLab	oklab(34.83% 0.1001 0.0206)
OKLCH	oklch(34.83% 0.102 11.6)
XYZ	xyz(6.1500, 3.7707, 2.7863)
Luminance	0.0377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D2C #1D6455

analogous

#641D4F #641D2C #64311D

triadic

#641D2C #2C641D #1D2C64

tetradic

#641D2C #4F641D #1D6455 #311D64

square

#641D2C #4F641D #1D6455 #311D64

split-complementary

#641D2C #1D6431 #1D4F64

monochromatic

#18070A #350F17 #641D2C #932B41 #C33956

Accessibility & contrast

On white

11.97

#641D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D2C

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D2C	#FFFFFF	#000000	##FFFFFF
##641D2C	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D2C

Deuteranopia (green-blind)

#403C2A

Tritanopia (blue-blind)

#6E1023

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641d2c;
/* rgb */ color: rgb(100, 29, 44);
/* oklch */ color: oklch(34.8% 0.102 11.6);

Tailwind

colors: {
  custom: {
    50: '#955e64',
    500: '#641d2c',
    950: '#000000',
  },
}

SCSS

$custom: #641d2c;
$custom-light: #955e64;
$custom-dark: #000000;

JSON

{
  "hex": "#641d2c",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 44
  },
  "hsl": {
    "h": 347.324,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34829,
    "c": 0.10215,
    "h": 11.6
  },
  "luminance": 0.0377
}

Semantic roles & 50–950 ramp

primary

#641D2C

secondary

#449987

accent

#DEBF49

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #641D2C

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

Preview Lab → · Contrast checker → · Palette generator →