#731A18#731A18

#731A18 is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.9% C 0.124 H 26.7°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#731A18
RGB	rgb(115, 26, 24)
HSL	hsl(1, 65%, 27%)
HSV	hsv(1, 79%, 45%)
CMYK	cmyk(0%, 77.4%, 79.1%, 54.9%)
CIE-LAB	lab(25.11, 38.26, 24.90)
CIE-LCH	lch(25.11, 45.65, 33.06°)
OKLab	oklab(36.91% 0.1104 0.0554)
OKLCH	oklch(36.91% 0.124 26.7)
XYZ	xyz(7.6054, 4.4508, 1.3226)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731A18 #187173

analogous

#731843 #731A18 #734818

triadic

#731A18 #18731A #1A1873

tetradic

#731A18 #437318 #187173 #481873

square

#731A18 #437318 #187173 #481873

split-complementary

#731A18 #187348 #184373

monochromatic

#190605 #400F0D #731A18 #A62523 #D43531

Accessibility & contrast

On white

11.11

#731A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#731A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731A18

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731A18	#FFFFFF	#000000	##FFFFFF
##731A18	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F17

Deuteranopia (green-blind)

#4B4315

Tritanopia (blue-blind)

#7F001B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731a18;
/* rgb */ color: rgb(115, 26, 24);
/* oklch */ color: oklch(36.9% 0.124 26.7);

Tailwind

colors: {
  custom: {
    50: '#a35e55',
    500: '#731a18',
    950: '#000000',
  },
}

SCSS

$custom: #731a18;
$custom-light: #a35e55;
$custom-dark: #000000;

JSON

{
  "hex": "#731a18",
  "rgb": {
    "r": 115,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.319,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36914,
    "c": 0.12351,
    "h": 26.7
  },
  "luminance": 0.0445
}

Semantic roles & 50–950 ramp

primary

#731A18

secondary

#3FA6A8

accent

#E5E83F

background

#FAF5F4

surface

#F4E9E8

border

#CEC5C4

text

#100503

muted

#7F7978

Preview Lab

Preview with #731A18

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

Preview Lab → · Contrast checker → · Palette generator →