#641C15#641C15

#641C15 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.105 H 29.2°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#641C15
RGB	rgb(100, 28, 21)
HSL	hsl(5, 65%, 24%)
HSV	hsv(5, 79%, 39%)
CMYK	cmyk(0%, 72%, 79%, 60.8%)
CIE-LAB	lab(22.28, 31.91, 22.81)
CIE-LCH	lch(22.28, 39.22, 35.55°)
OKLab	oklab(34.23% 0.0917 0.0512)
OKLCH	oklch(34.23% 0.105 29.2)
XYZ	xyz(5.8068, 3.5948, 1.0974)
Luminance	0.0359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C15 #155D64

analogous

#641535 #641C15 #644315

triadic

#641C15 #15641C #1C1564

tetradic

#641C15 #356415 #155D64 #431564

square

#641C15 #356415 #155D64 #431564

split-complementary

#641C15 #156443 #153564

monochromatic

#190705 #310E0A #641C15 #972A20 #C9382A

Accessibility & contrast

On white

12.22

#641C15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641C15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C15

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C15	#FFFFFF	#000000	##FFFFFF
##641C15	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B14

Deuteranopia (green-blind)

#423B12

Tritanopia (blue-blind)

#6F061B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c15;
/* rgb */ color: rgb(100, 28, 21);
/* oklch */ color: oklch(34.2% 0.105 29.2);

Tailwind

colors: {
  custom: {
    50: '#975d52',
    500: '#641c15',
    950: '#000000',
  },
}

SCSS

$custom: #641c15;
$custom-light: #975d52;
$custom-dark: #000000;

JSON

{
  "hex": "#641c15",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 21
  },
  "hsl": {
    "h": 5.316,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34226,
    "c": 0.10496,
    "h": 29.2
  },
  "luminance": 0.03594
}

Semantic roles & 50–950 ramp

primary

#641C15

secondary

#3A929B

accent

#D9E840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641C15

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

Preview Lab → · Contrast checker → · Palette generator →