#731F13#731F13

#731F13 is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.4% C 0.120 H 31.2°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#731F13
RGB	rgb(115, 31, 19)
HSL	hsl(8, 72%, 26%)
HSV	hsv(8, 83%, 45%)
CMYK	cmyk(0%, 73%, 83.5%, 54.9%)
CIE-LAB	lab(25.78, 36.05, 28.63)
CIE-LCH	lch(25.78, 46.04, 38.45°)
OKLab	oklab(37.4% 0.1023 0.062)
OKLCH	oklch(37.4% 0.12 31.2)
XYZ	xyz(7.6787, 4.6730, 1.1136)
Luminance	0.0467 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731F13 #136773

analogous

#731337 #731F13 #734F13

triadic

#731F13 #13731F #1F1373

tetradic

#731F13 #377313 #136773 #4F1373

square

#731F13 #377313 #136773 #4F1373

split-complementary

#731F13 #13734F #133773

monochromatic

#1A0704 #3E110A #731F13 #A82D1C #DB3C25

Accessibility & contrast

On white

10.86

#731F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#731F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731F13

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731F13	#FFFFFF	#000000	##FFFFFF
##731F13	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383111

Deuteranopia (green-blind)

#4D440F

Tritanopia (blue-blind)

#7F011D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731f13;
/* rgb */ color: rgb(115, 31, 19);
/* oklch */ color: oklch(37.4% 0.120 31.2);

Tailwind

colors: {
  custom: {
    50: '#a36152',
    500: '#731f13',
    950: '#000000',
  },
}

SCSS

$custom: #731f13;
$custom-light: #a36152;
$custom-dark: #000000;

JSON

{
  "hex": "#731f13",
  "rgb": {
    "r": 115,
    "g": 31,
    "b": 19
  },
  "hsl": {
    "h": 7.5,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37398,
    "c": 0.11963,
    "h": 31.2
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#731F13

secondary

#389BAA

accent

#D8EE39

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #731F13

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

Preview Lab → · Contrast checker → · Palette generator →