#641F18#641F18

#641F18 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.7% C 0.101 H 29.0°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#641F18
RGB	rgb(100, 31, 24)
HSL	hsl(6, 61%, 24%)
HSV	hsv(6, 76%, 39%)
CMYK	cmyk(0%, 69%, 76%, 60.8%)
CIE-LAB	lab(22.85, 30.65, 21.53)
CIE-LCH	lch(22.85, 37.46, 35.09°)
OKLab	oklab(34.66% 0.0884 0.0491)
OKLCH	oklch(34.66% 0.101 29)
XYZ	xyz(5.9110, 3.7561, 1.2777)
Luminance	0.0376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F18 #185D64

analogous

#641837 #641F18 #644518

triadic

#641F18 #18641F #1F1864

tetradic

#641F18 #376418 #185D64 #451864

square

#641F18 #376418 #185D64 #451864

split-complementary

#641F18 #186445 #183764

monochromatic

#190806 #33100C #641F18 #952E24 #C73E30

Accessibility & contrast

On white

11.99

#641F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F18

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F18	#FFFFFF	#000000	##FFFFFF
##641F18	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D17

Deuteranopia (green-blind)

#433C16

Tritanopia (blue-blind)

#6E0D1E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641f18;
/* rgb */ color: rgb(100, 31, 24);
/* oklch */ color: oklch(34.7% 0.101 29.0);

Tailwind

colors: {
  custom: {
    50: '#965f55',
    500: '#641f18',
    950: '#000000',
  },
}

SCSS

$custom: #641f18;
$custom-light: #965f55;
$custom-dark: #000000;

JSON

{
  "hex": "#641f18",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 5.526,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34662,
    "c": 0.10111,
    "h": 29
  },
  "luminance": 0.03755
}

Semantic roles & 50–950 ramp

primary

#641F18

secondary

#3E929A

accent

#D6E443

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #641F18

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

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