#641C13#641C13

#641C13 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.105 H 30.4°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#641C13
RGB	rgb(100, 28, 19)
HSL	hsl(7, 68%, 23%)
HSV	hsv(7, 81%, 39%)
CMYK	cmyk(0%, 72%, 81%, 60.8%)
CIE-LAB	lab(22.26, 31.82, 24.03)
CIE-LCH	lch(22.26, 39.87, 37.06°)
OKLab	oklab(34.2% 0.0909 0.0533)
OKLCH	oklch(34.2% 0.105 30.4)
XYZ	xyz(5.7890, 3.5877, 1.0036)
Luminance	0.0359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C13 #135B64

analogous

#641332 #641C13 #644413

triadic

#641C13 #13641C #1C1364

tetradic

#641C13 #326413 #135B64 #441364

square

#641C13 #326413 #135B64 #441364

split-complementary

#641C13 #136444 #133264

monochromatic

#1A0705 #310E09 #641C13 #972A1D #CB3927

Accessibility & contrast

On white

12.23

#641C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C13

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C13	#FFFFFF	#000000	##FFFFFF
##641C13	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B11

Deuteranopia (green-blind)

#433B10

Tritanopia (blue-blind)

#6F061A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c13;
/* rgb */ color: rgb(100, 28, 19);
/* oklch */ color: oklch(34.2% 0.105 30.4);

Tailwind

colors: {
  custom: {
    50: '#975d51',
    500: '#641c13',
    950: '#000000',
  },
}

SCSS

$custom: #641c13;
$custom-light: #975d51;
$custom-dark: #000000;

JSON

{
  "hex": "#641c13",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 19
  },
  "hsl": {
    "h": 6.667,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34199,
    "c": 0.10536,
    "h": 30.4
  },
  "luminance": 0.03587
}

Semantic roles & 50–950 ramp

primary

#641C13

secondary

#37909C

accent

#D8EB3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641C13

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

Preview Lab → · Contrast checker → · Palette generator →