#641C20#641C20

#641C20 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.103 H 21.4°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#641C20
RGB	rgb(100, 28, 32)
HSL	hsl(357, 56%, 25%)
HSV	hsv(357, 72%, 39%)
CMYK	cmyk(0%, 72%, 68%, 60.8%)
CIE-LAB	lab(22.46, 32.55, 15.77)
CIE-LCH	lch(22.46, 36.17, 25.85°)
OKLab	oklab(34.42% 0.0962 0.0376)
OKLCH	oklch(34.42% 0.103 21.4)
XYZ	xyz(5.9321, 3.6450, 1.7574)
Luminance	0.0364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C20 #1C6460

analogous

#641C44 #641C20 #643C1C

triadic

#641C20 #20641C #1C2064

tetradic

#641C20 #44641C #1C6460 #3C1C64

square

#641C20 #44641C #1C6460 #3C1C64

split-complementary

#641C20 #1C643C #1C4464

monochromatic

#180708 #340F11 #641C20 #94292F #C4373F

Accessibility & contrast

On white

12.15

#641C20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641C20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C20

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C20	#FFFFFF	#000000	##FFFFFF
##641C20	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C20

Deuteranopia (green-blind)

#413B1E

Tritanopia (blue-blind)

#6E0A1E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c20;
/* rgb */ color: rgb(100, 28, 32);
/* oklch */ color: oklch(34.4% 0.103 21.4);

Tailwind

colors: {
  custom: {
    50: '#965d5b',
    500: '#641c20',
    950: '#000000',
  },
}

SCSS

$custom: #641c20;
$custom-light: #965d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#641c20",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 32
  },
  "hsl": {
    "h": 356.667,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34415,
    "c": 0.1033,
    "h": 21.4
  },
  "luminance": 0.03644
}

Semantic roles & 50–950 ramp

primary

#641C20

secondary

#439994

accent

#E0D748

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641C20

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

Preview Lab → · Contrast checker → · Palette generator →