#641913#641913

#641913 is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.8% C 0.108 H 28.7°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#641913
RGB	rgb(100, 25, 19)
HSL	hsl(4, 68%, 23%)
HSV	hsv(4, 81%, 39%)
CMYK	cmyk(0%, 75%, 81%, 60.8%)
CIE-LAB	lab(21.77, 33.15, 23.51)
CIE-LCH	lch(21.77, 40.63, 35.34°)
OKLab	oklab(33.83% 0.0951 0.0521)
OKLCH	oklch(33.83% 0.108 28.7)
XYZ	xyz(5.7214, 3.4525, 0.9811)
Luminance	0.0345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641913 #135E64

analogous

#641335 #641913 #644113

triadic

#641913 #136419 #191364

tetradic

#641913 #356413 #135E64 #411364

square

#641913 #356413 #135E64 #411364

split-complementary

#641913 #136441 #133564

monochromatic

#1A0605 #310C09 #641913 #97261D #CB3327

Accessibility & contrast

On white

12.42

#641913 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641913 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641913

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641913	#FFFFFF	#000000	##FFFFFF
##641913	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A12

Deuteranopia (green-blind)

#423A10

Tritanopia (blue-blind)

#6F0018

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641913;
/* rgb */ color: rgb(100, 25, 19);
/* oklch */ color: oklch(33.8% 0.108 28.7);

Tailwind

colors: {
  custom: {
    50: '#975b51',
    500: '#641913',
    950: '#000000',
  },
}

SCSS

$custom: #641913;
$custom-light: #975b51;
$custom-dark: #000000;

JSON

{
  "hex": "#641913",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 19
  },
  "hsl": {
    "h": 4.444,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33834,
    "c": 0.10841,
    "h": 28.7
  },
  "luminance": 0.03452
}

Semantic roles & 50–950 ramp

primary

#641913

secondary

#37949C

accent

#DEEB3D

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641913

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

Preview Lab → · Contrast checker → · Palette generator →