#731C2A#731C2A

#731C2A is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.4% C 0.120 H 16.3°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#731C2A
RGB	rgb(115, 28, 42)
HSL	hsl(350, 61%, 28%)
HSV	hsv(350, 76%, 45%)
CMYK	cmyk(0%, 75.7%, 63.5%, 54.9%)
CIE-LAB	lab(25.69, 38.53, 13.78)
CIE-LCH	lch(25.69, 40.92, 19.68°)
OKLab	oklab(37.45% 0.1153 0.0336)
OKLCH	oklch(37.45% 0.12 16.3)
XYZ	xyz(7.9042, 4.6436, 2.6701)
Luminance	0.0464 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731C2A #1C7365

analogous

#731C55 #731C2A #73391C

triadic

#731C2A #2A731C #1C2A73

tetradic

#731C2A #55731C #1C7365 #391C73

square

#731C2A #55731C #1C7365 #391C73

split-complementary

#731C2A #1C7339 #1C5573

monochromatic

#190609 #421018 #731C2A #A4283C #CF3A52

Accessibility & contrast

On white

10.89

#731C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#731C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731C2A

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731C2A	#FFFFFF	#000000	##FFFFFF
##731C2A	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33312A

Deuteranopia (green-blind)

#4A4328

Tritanopia (blue-blind)

#7E0322

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731c2a;
/* rgb */ color: rgb(115, 28, 42);
/* oklch */ color: oklch(37.4% 0.120 16.3);

Tailwind

colors: {
  custom: {
    50: '#a16063',
    500: '#731c2a',
    950: '#000000',
  },
}

SCSS

$custom: #731c2a;
$custom-light: #a16063;
$custom-dark: #000000;

JSON

{
  "hex": "#731c2a",
  "rgb": {
    "r": 115,
    "g": 28,
    "b": 42
  },
  "hsl": {
    "h": 350.345,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37448,
    "c": 0.12009,
    "h": 16.3
  },
  "luminance": 0.04643
}

Semantic roles & 50–950 ramp

primary

#731C2A

secondary

#43A797

accent

#E4CA44

background

#FAF5F5

surface

#F4EAEA

border

#CEC6C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #731C2A

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

Preview Lab → · Contrast checker → · Palette generator →