#641C2C#641C2C

#641C2C is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.103 H 11.2°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#641C2C
RGB	rgb(100, 28, 44)
HSL	hsl(347, 56%, 25%)
HSV	hsv(347, 72%, 39%)
CMYK	cmyk(0%, 72%, 56%, 60.8%)
CIE-LAB	lab(22.73, 33.52, 7.90)
CIE-LCH	lch(22.73, 34.44, 13.26°)
OKLab	oklab(34.71% 0.1015 0.02)
OKLCH	oklch(34.71% 0.103 11.2)
XYZ	xyz(6.1259, 3.7225, 2.7783)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C2C #1C6454

analogous

#641C50 #641C2C #64301C

triadic

#641C2C #2C641C #1C2C64

tetradic

#641C2C #50641C #1C6454 #301C64

square

#641C2C #50641C #1C6454 #301C64

split-complementary

#641C2C #1C6430 #1C5064

monochromatic

#18070B #340F17 #641C2C #942941 #C43756

Accessibility & contrast

On white

12.04

#641C2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641C2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C2C

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C2C	#FFFFFF	#000000	##FFFFFF
##641C2C	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2D2C

Deuteranopia (green-blind)

#403C2A

Tritanopia (blue-blind)

#6E0E22

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c2c;
/* rgb */ color: rgb(100, 28, 44);
/* oklch */ color: oklch(34.7% 0.103 11.2);

Tailwind

colors: {
  custom: {
    50: '#955e64',
    500: '#641c2c',
    950: '#000000',
  },
}

SCSS

$custom: #641c2c;
$custom-light: #955e64;
$custom-dark: #000000;

JSON

{
  "hex": "#641c2c",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 44
  },
  "hsl": {
    "h": 346.667,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34705,
    "c": 0.10347,
    "h": 11.2
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#641C2C

secondary

#439986

accent

#E0BE48

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0405

muted

#7E797A

Preview Lab

Preview with #641C2C

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

Preview Lab → · Contrast checker → · Palette generator →