#641F10#641F10

#641F10 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.103 H 33.9°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#641F10
RGB	rgb(100, 31, 16)
HSL	hsl(11, 72%, 23%)
HSV	hsv(11, 84%, 39%)
CMYK	cmyk(0%, 69%, 84%, 60.8%)
CIE-LAB	lab(22.75, 30.27, 26.32)
CIE-LCH	lch(22.75, 40.11, 41.01°)
OKLab	oklab(34.56% 0.0855 0.0573)
OKLCH	oklch(34.56% 0.103 33.9)
XYZ	xyz(5.8397, 3.7276, 0.9021)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F10 #105564

analogous

#64102B #641F10 #644910

triadic

#641F10 #10641F #1F1064

tetradic

#641F10 #2B6410 #105564 #491064

square

#641F10 #2B6410 #105564 #491064

split-complementary

#641F10 #106449 #102B64

monochromatic

#1A0804 #2F0F08 #641F10 #992F18 #CE4021

Accessibility & contrast

On white

12.03

#641F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F10

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F10	#FFFFFF	#000000	##FFFFFF
##641F10	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D0E

Deuteranopia (green-blind)

#443C0D

Tritanopia (blue-blind)

#6F0C1C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641f10;
/* rgb */ color: rgb(100, 31, 16);
/* oklch */ color: oklch(34.6% 0.103 33.9);

Tailwind

colors: {
  custom: {
    50: '#975e4f',
    500: '#641f10',
    950: '#000000',
  },
}

SCSS

$custom: #641f10;
$custom-light: #975e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#641f10",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 16
  },
  "hsl": {
    "h": 10.714,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34557,
    "c": 0.1029,
    "h": 33.9
  },
  "luminance": 0.03727
}

Semantic roles & 50–950 ramp

primary

#641F10

secondary

#338A9D

accent

#CFEF39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0502

muted

#7E7978

Preview Lab

Preview with #641F10

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

Preview Lab → · Contrast checker → · Palette generator →