#641D13#641D13

#641D13 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.104 H 31.0°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#641D13
RGB	rgb(100, 29, 19)
HSL	hsl(7, 68%, 23%)
HSV	hsv(7, 81%, 39%)
CMYK	cmyk(0%, 71%, 81%, 60.8%)
CIE-LAB	lab(22.43, 31.35, 24.21)
CIE-LCH	lch(22.43, 39.61, 37.68°)
OKLab	oklab(34.33% 0.0895 0.0537)
OKLCH	oklch(34.33% 0.104 31)
XYZ	xyz(5.8131, 3.6359, 1.0117)
Luminance	0.0364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D13 #135A64

analogous

#641331 #641D13 #644513

triadic

#641D13 #13641D #1D1364

tetradic

#641D13 #316413 #135A64 #451364

square

#641D13 #316413 #135A64 #451364

split-complementary

#641D13 #136445 #133164

monochromatic

#1A0705 #310E09 #641D13 #972C1D #CB3B27

Accessibility & contrast

On white

12.16

#641D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D13

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D13	#FFFFFF	#000000	##FFFFFF
##641D13	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C11

Deuteranopia (green-blind)

#433B10

Tritanopia (blue-blind)

#6F081B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d13;
/* rgb */ color: rgb(100, 29, 19);
/* oklch */ color: oklch(34.3% 0.104 31.0);

Tailwind

colors: {
  custom: {
    50: '#975d51',
    500: '#641d13',
    950: '#000000',
  },
}

SCSS

$custom: #641d13;
$custom-light: #975d51;
$custom-dark: #000000;

JSON

{
  "hex": "#641d13",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 7.407,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34327,
    "c": 0.10431,
    "h": 31
  },
  "luminance": 0.03635
}

Semantic roles & 50–950 ramp

primary

#641D13

secondary

#378F9C

accent

#D5EB3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641D13

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

Preview Lab → · Contrast checker → · Palette generator →