#731D13#731D13

#731D13 is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.2% C 0.122 H 30.3°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#731D13
RGB	rgb(115, 29, 19)
HSL	hsl(6, 72%, 26%)
HSV	hsv(6, 83%, 45%)
CMYK	cmyk(0%, 74.8%, 83.5%, 54.9%)
CIE-LAB	lab(25.48, 36.89, 28.32)
CIE-LCH	lch(25.48, 46.50, 37.52°)
OKLab	oklab(37.17% 0.1049 0.0613)
OKLCH	oklch(37.17% 0.122 30.3)
XYZ	xyz(7.6280, 4.5718, 1.0968)
Luminance	0.0457 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731D13 #136973

analogous

#731339 #731D13 #734D13

triadic

#731D13 #13731D #1D1373

tetradic

#731D13 #397313 #136973 #4D1373

square

#731D13 #397313 #136973 #4D1373

split-complementary

#731D13 #13734D #133973

monochromatic

#1A0704 #3E100A #731D13 #A82A1C #DB3825

Accessibility & contrast

On white

10.97

#731D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#731D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731D13

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731D13	#FFFFFF	#000000	##FFFFFF
##731D13	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373011

Deuteranopia (green-blind)

#4C430F

Tritanopia (blue-blind)

#7F001C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731d13;
/* rgb */ color: rgb(115, 29, 19);
/* oklch */ color: oklch(37.2% 0.122 30.3);

Tailwind

colors: {
  custom: {
    50: '#a36051',
    500: '#731d13',
    950: '#000000',
  },
}

SCSS

$custom: #731d13;
$custom-light: #a36051;
$custom-dark: #000000;

JSON

{
  "hex": "#731d13",
  "rgb": {
    "r": 115,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 6.25,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37171,
    "c": 0.12153,
    "h": 30.3
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#731D13

secondary

#389EAA

accent

#DCEE39

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #731D13

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

Preview Lab → · Contrast checker → · Palette generator →