#731A13#731A13

#731A13 is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.9% C 0.124 H 29.1°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#731A13
RGB	rgb(115, 26, 19)
HSL	hsl(4, 72%, 26%)
HSV	hsv(4, 83%, 45%)
CMYK	cmyk(0%, 77.4%, 83.5%, 54.9%)
CIE-LAB	lab(25.05, 38.07, 27.89)
CIE-LCH	lch(25.05, 47.19, 36.23°)
OKLab	oklab(36.85% 0.1086 0.0604)
OKLCH	oklch(36.85% 0.124 29.1)
XYZ	xyz(7.5581, 4.4318, 1.0734)
Luminance	0.0443 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731A13 #136C73

analogous

#73133C #731A13 #734A13

triadic

#731A13 #13731A #1A1373

tetradic

#731A13 #3C7313 #136C73 #4A1373

square

#731A13 #3C7313 #136C73 #4A1373

split-complementary

#731A13 #13734A #133C73

monochromatic

#1A0604 #3E0E0A #731A13 #A8261C #DB3325

Accessibility & contrast

On white

11.13

#731A13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#731A13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731A13

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731A13	#FFFFFF	#000000	##FFFFFF
##731A13	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F11

Deuteranopia (green-blind)

#4B420F

Tritanopia (blue-blind)

#7F0019

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #731a13;
/* rgb */ color: rgb(115, 26, 19);
/* oklch */ color: oklch(36.9% 0.124 29.1);

Tailwind

colors: {
  custom: {
    50: '#a35e51',
    500: '#731a13',
    950: '#000000',
  },
}

SCSS

$custom: #731a13;
$custom-light: #a35e51;
$custom-dark: #000000;

JSON

{
  "hex": "#731a13",
  "rgb": {
    "r": 115,
    "g": 26,
    "b": 19
  },
  "hsl": {
    "h": 4.375,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36852,
    "c": 0.12427,
    "h": 29.1
  },
  "luminance": 0.04431
}

Semantic roles & 50–950 ramp

primary

#731A13

secondary

#38A1AA

accent

#E1EE39

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#110502

muted

#807978

Preview Lab

Preview with #731A13

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

Preview Lab → · Contrast checker → · Palette generator →