#641A18#641A18

#641A18 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 26.1°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#641A18
RGB	rgb(100, 26, 24)
HSL	hsl(2, 61%, 24%)
HSV	hsv(2, 76%, 39%)
CMYK	cmyk(0%, 74%, 76%, 60.8%)
CIE-LAB	lab(22.00, 32.96, 20.55)
CIE-LCH	lch(22.00, 38.84, 31.94°)
OKLab	oklab(34.03% 0.0956 0.0469)
OKLCH	oklch(34.03% 0.107 26.1)
XYZ	xyz(5.7904, 3.5149, 1.2375)
Luminance	0.0351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A18 #186264

analogous

#64183C #641A18 #644018

triadic

#641A18 #18641A #1A1864

tetradic

#641A18 #3C6418 #186264 #401864

square

#641A18 #3C6418 #186264 #401864

split-complementary

#641A18 #186440 #183C64

monochromatic

#190606 #330D0C #641A18 #952724 #C73430

Accessibility & contrast

On white

12.33

#641A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#641A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A18

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A18	#FFFFFF	#000000	##FFFFFF
##641A18	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A17

Deuteranopia (green-blind)

#413B16

Tritanopia (blue-blind)

#6F031A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641a18;
/* rgb */ color: rgb(100, 26, 24);
/* oklch */ color: oklch(34.0% 0.107 26.1);

Tailwind

colors: {
  custom: {
    50: '#965c55',
    500: '#641a18',
    950: '#000000',
  },
}

SCSS

$custom: #641a18;
$custom-light: #965c55;
$custom-dark: #000000;

JSON

{
  "hex": "#641a18",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.579,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34025,
    "c": 0.10654,
    "h": 26.1
  },
  "luminance": 0.03514
}

Semantic roles & 50–950 ramp

primary

#641A18

secondary

#3E989A

accent

#E0E443

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #641A18

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

Preview Lab → · Contrast checker → · Palette generator →