#731C13#731C13

#731C13 is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.1% C 0.122 H 29.9°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#731C13
RGB	rgb(115, 28, 19)
HSL	hsl(6, 72%, 26%)
HSV	hsv(6, 83%, 45%)
CMYK	cmyk(0%, 75.7%, 83.5%, 54.9%)
CIE-LAB	lab(25.33, 37.29, 28.17)
CIE-LCH	lch(25.33, 46.74, 37.07°)
OKLab	oklab(37.06% 0.1062 0.061)
OKLCH	oklch(37.06% 0.122 29.9)
XYZ	xyz(7.6039, 4.5235, 1.0887)
Luminance	0.0452 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731C13 #136A73

analogous

#73133A #731C13 #734C13

triadic

#731C13 #13731C #1C1373

tetradic

#731C13 #3A7313 #136A73 #4C1373

square

#731C13 #3A7313 #136A73 #4C1373

split-complementary

#731C13 #13734C #133A73

monochromatic

#1A0604 #3E0F0A #731C13 #A8291C #DB3625

Accessibility & contrast

On white

11.03

#731C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#731C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731C13

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731C13	#FFFFFF	#000000	##FFFFFF
##731C13	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363011

Deuteranopia (green-blind)

#4C430F

Tritanopia (blue-blind)

#7F001B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731c13;
/* rgb */ color: rgb(115, 28, 19);
/* oklch */ color: oklch(37.1% 0.122 29.9);

Tailwind

colors: {
  custom: {
    50: '#a35f51',
    500: '#731c13',
    950: '#000000',
  },
}

SCSS

$custom: #731c13;
$custom-light: #a35f51;
$custom-dark: #000000;

JSON

{
  "hex": "#731c13",
  "rgb": {
    "r": 115,
    "g": 28,
    "b": 19
  },
  "hsl": {
    "h": 5.625,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37062,
    "c": 0.12246,
    "h": 29.9
  },
  "luminance": 0.04522
}

Semantic roles & 50–950 ramp

primary

#731C13

secondary

#389FAA

accent

#DDEE39

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #731C13

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

Preview Lab → · Contrast checker → · Palette generator →