#641810#641810

#641810 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.110 H 29.9°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#641810
RGB	rgb(100, 24, 16)
HSL	hsl(6, 72%, 23%)
HSV	hsv(6, 84%, 39%)
CMYK	cmyk(0%, 76%, 84%, 60.8%)
CIE-LAB	lab(21.58, 33.45, 25.09)
CIE-LCH	lch(21.58, 41.81, 36.87°)
OKLab	oklab(33.68% 0.0953 0.0547)
OKLCH	oklch(33.68% 0.11 29.9)
XYZ	xyz(5.6764, 3.4009, 0.8477)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641810 #105C64

analogous

#641032 #641810 #644210

triadic

#641810 #106418 #181064

tetradic

#641810 #326410 #105C64 #421064

square

#641810 #326410 #105C64 #421064

split-complementary

#641810 #106442 #103264

monochromatic

#1A0604 #2F0B08 #641810 #992518 #CE3121

Accessibility & contrast

On white

12.50

#641810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641810

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641810	#FFFFFF	#000000	##FFFFFF
##641810	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F290E

Deuteranopia (green-blind)

#413A0D

Tritanopia (blue-blind)

#6F0017

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641810;
/* rgb */ color: rgb(100, 24, 16);
/* oklch */ color: oklch(33.7% 0.110 29.9);

Tailwind

colors: {
  custom: {
    50: '#975b4f',
    500: '#641810',
    950: '#000000',
  },
}

SCSS

$custom: #641810;
$custom-light: #975b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#641810",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 16
  },
  "hsl": {
    "h": 5.714,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33682,
    "c": 0.10994,
    "h": 29.9
  },
  "luminance": 0.034
}

Semantic roles & 50–950 ramp

primary

#641810

secondary

#33939D

accent

#DEEF39

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641810

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

Preview Lab → · Contrast checker → · Palette generator →