#731B2D#731B2D

#731B2D is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.4% C 0.121 H 13.8°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#731B2D
RGB	rgb(115, 27, 45)
HSL	hsl(348, 62%, 28%)
HSV	hsv(348, 77%, 45%)
CMYK	cmyk(0%, 76.5%, 60.9%, 54.9%)
CIE-LAB	lab(25.62, 39.14, 11.65)
CIE-LCH	lch(25.62, 40.84, 16.58°)
OKLab	oklab(37.42% 0.1178 0.0289)
OKLCH	oklch(37.42% 0.121 13.8)
XYZ	xyz(7.9366, 4.6193, 2.9558)
Luminance	0.0462 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731B2D #1B7361

analogous

#731B59 #731B2D #73351B

triadic

#731B2D #2D731B #1B2D73

tetradic

#731B2D #59731B #1B7361 #351B73

square

#731B2D #59731B #1B7361 #351B73

split-complementary

#731B2D #1B7335 #1B5973

monochromatic

#19060A #410F1A #731B2D #A52740 #D03857

Accessibility & contrast

On white

10.92

#731B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#731B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B2D

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731B2D	#FFFFFF	#000000	##FFFFFF
##731B2D	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)

#32312D

Deuteranopia (green-blind)

#49432B

Tritanopia (blue-blind)

#7E0222

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731b2d;
/* rgb */ color: rgb(115, 27, 45);
/* oklch */ color: oklch(37.4% 0.121 13.8);

Tailwind

colors: {
  custom: {
    50: '#a15f65',
    500: '#731b2d',
    950: '#000000',
  },
}

SCSS

$custom: #731b2d;
$custom-light: #a15f65;
$custom-dark: #000000;

JSON

{
  "hex": "#731b2d",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 45
  },
  "hsl": {
    "h": 347.727,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37416,
    "c": 0.12131,
    "h": 13.8
  },
  "luminance": 0.04618
}

Semantic roles & 50–950 ramp

primary

#731B2D

secondary

#42A893

accent

#E5C443

background

#FAF5F6

surface

#F4EAEB

border

#CEC6C6

text

#100505

muted

#7F797A

Preview Lab

Preview with #731B2D

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

Preview Lab → · Contrast checker → · Palette generator →