#641D19#641D19

#641D19 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.4% C 0.103 H 27.1°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#641D19
RGB	rgb(100, 29, 25)
HSL	hsl(3, 60%, 25%)
HSV	hsv(3, 75%, 39%)
CMYK	cmyk(0%, 71%, 75%, 60.8%)
CIE-LAB	lab(22.51, 31.65, 20.49)
CIE-LCH	lch(22.51, 37.71, 32.92°)
OKLab	oklab(34.41% 0.0918 0.047)
OKLCH	oklch(34.41% 0.103 27.1)
XYZ	xyz(5.8710, 3.6591, 1.3166)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D19 #196064

analogous

#64193B #641D19 #644319

triadic

#641D19 #19641D #1D1964

tetradic

#641D19 #3B6419 #196064 #431964

square

#641D19 #3B6419 #196064 #431964

split-complementary

#641D19 #196443 #193B64

monochromatic

#180706 #330F0D #641D19 #952B25 #C63931

Accessibility & contrast

On white

12.13

#641D19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641D19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D19

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D19	#FFFFFF	#000000	##FFFFFF
##641D19	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C18

Deuteranopia (green-blind)

#423B17

Tritanopia (blue-blind)

#6E091D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d19;
/* rgb */ color: rgb(100, 29, 25);
/* oklch */ color: oklch(34.4% 0.103 27.1);

Tailwind

colors: {
  custom: {
    50: '#965e55',
    500: '#641d19',
    950: '#000000',
  },
}

SCSS

$custom: #641d19;
$custom-light: #965e55;
$custom-dark: #000000;

JSON

{
  "hex": "#641d19",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 25
  },
  "hsl": {
    "h": 3.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34414,
    "c": 0.10313,
    "h": 27.1
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary

#641D19

secondary

#3F959A

accent

#DBE345

background

#F9F5F5

surface

#F2E9E8

border

#CCC5C4

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #641D19

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

Preview Lab → · Contrast checker → · Palette generator →