#731B2C#731B2C

#731B2C is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.4% C 0.121 H 14.5°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#731B2C
RGB	rgb(115, 27, 44)
HSL	hsl(348, 62%, 28%)
HSV	hsv(348, 77%, 45%)
CMYK	cmyk(0%, 76.5%, 61.7%, 54.9%)
CIE-LAB	lab(25.60, 39.06, 12.30)
CIE-LCH	lch(25.60, 40.95, 17.48°)
OKLab	oklab(37.39% 0.1174 0.0303)
OKLCH	oklch(37.39% 0.121 14.5)
XYZ	xyz(7.9176, 4.6117, 2.8556)
Luminance	0.0461 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731B2C #1B7362

analogous

#731B58 #731B2C #73361B

triadic

#731B2C #2C731B #1B2C73

tetradic

#731B2C #58731B #1B7362 #361B73

square

#731B2C #58731B #1B7362 #361B73

split-complementary

#731B2C #1B7336 #1B5873

monochromatic

#190609 #410F19 #731B2C #A5273F #D03856

Accessibility & contrast

On white

10.92

#731B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#731B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B2C

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731B2C	#FFFFFF	#000000	##FFFFFF
##731B2C	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32312C

Deuteranopia (green-blind)

#49432A

Tritanopia (blue-blind)

#7E0222

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731b2c;
/* rgb */ color: rgb(115, 27, 44);
/* oklch */ color: oklch(37.4% 0.121 14.5);

Tailwind

colors: {
  custom: {
    50: '#a15f64',
    500: '#731b2c',
    950: '#000000',
  },
}

SCSS

$custom: #731b2c;
$custom-light: #a15f64;
$custom-dark: #000000;

JSON

{
  "hex": "#731b2c",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 348.409,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37391,
    "c": 0.12125,
    "h": 14.5
  },
  "luminance": 0.04611
}

Semantic roles & 50–950 ramp

primary

#731B2C

secondary

#42A894

accent

#E5C643

background

#FAF5F6

surface

#F4EAEB

border

#CEC6C6

text

#100505

muted

#7F797A

Preview Lab

Preview with #731B2C

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

Preview Lab → · Contrast checker → · Palette generator →