#731B29#731B29

#731B29 is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.3% C 0.121 H 16.6°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#731B29
RGB	rgb(115, 27, 41)
HSL	hsl(350, 62%, 28%)
HSV	hsv(350, 77%, 45%)
CMYK	cmyk(0%, 76.5%, 64.3%, 54.9%)
CIE-LAB	lab(25.53, 38.85, 14.24)
CIE-LCH	lch(25.53, 41.37, 20.14°)
OKLab	oklab(37.32% 0.1161 0.0346)
OKLCH	oklch(37.32% 0.121 16.6)
XYZ	xyz(7.8632, 4.5899, 2.5693)
Luminance	0.0459 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731B29 #1B7365

analogous

#731B55 #731B29 #73391B

triadic

#731B29 #29731B #1B2973

tetradic

#731B29 #55731B #1B7365 #391B73

square

#731B29 #55731B #1B7365 #391B73

split-complementary

#731B29 #1B7339 #1B5573

monochromatic

#190609 #410F17 #731B29 #A5273B #D03850

Accessibility & contrast

On white

10.95

#731B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#731B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B29

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731B29	#FFFFFF	#000000	##FFFFFF
##731B29	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333129

Deuteranopia (green-blind)

#494327

Tritanopia (blue-blind)

#7F0021

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731b29;
/* rgb */ color: rgb(115, 27, 41);
/* oklch */ color: oklch(37.3% 0.121 16.6);

Tailwind

colors: {
  custom: {
    50: '#a15f62',
    500: '#731b29',
    950: '#000000',
  },
}

SCSS

$custom: #731b29;
$custom-light: #a15f62;
$custom-dark: #000000;

JSON

{
  "hex": "#731b29",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 350.455,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37321,
    "c": 0.12116,
    "h": 16.6
  },
  "luminance": 0.04589
}

Semantic roles & 50–950 ramp

primary

#731B29

secondary

#42A897

accent

#E5CB43

background

#FAF5F5

surface

#F4EAEA

border

#CEC6C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #731B29

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

Preview Lab → · Contrast checker → · Palette generator →