#641E18#641E18

#641E18 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.5% C 0.102 H 28.4°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#641E18
RGB	rgb(100, 30, 24)
HSL	hsl(5, 61%, 24%)
HSV	hsv(5, 76%, 39%)
CMYK	cmyk(0%, 70%, 76%, 60.8%)
CIE-LAB	lab(22.67, 31.13, 21.33)
CIE-LCH	lch(22.67, 37.73, 34.42°)
OKLab	oklab(34.53% 0.0899 0.0487)
OKLCH	oklch(34.53% 0.102 28.4)
XYZ	xyz(5.8853, 3.7047, 1.2691)
Luminance	0.0370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641E18 #185E64

analogous

#641838 #641E18 #644418

triadic

#641E18 #18641E #1E1864

tetradic

#641E18 #386418 #185E64 #441864

square

#641E18 #386418 #185E64 #441864

split-complementary

#641E18 #186444 #183864

monochromatic

#190706 #330F0C #641E18 #952D24 #C73C30

Accessibility & contrast

On white

12.06

#641E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641E18

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641E18	#FFFFFF	#000000	##FFFFFF
##641E18	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C17

Deuteranopia (green-blind)

#433C16

Tritanopia (blue-blind)

#6E0B1D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641e18;
/* rgb */ color: rgb(100, 30, 24);
/* oklch */ color: oklch(34.5% 0.102 28.4);

Tailwind

colors: {
  custom: {
    50: '#965e55',
    500: '#641e18',
    950: '#000000',
  },
}

SCSS

$custom: #641e18;
$custom-light: #965e55;
$custom-dark: #000000;

JSON

{
  "hex": "#641e18",
  "rgb": {
    "r": 100,
    "g": 30,
    "b": 24
  },
  "hsl": {
    "h": 4.737,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34529,
    "c": 0.10221,
    "h": 28.4
  },
  "luminance": 0.03704
}

Semantic roles & 50–950 ramp

primary

#641E18

secondary

#3E939A

accent

#D8E443

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #641E18

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

Preview Lab → · Contrast checker → · Palette generator →