#731311#731311

#731311 is a dark, vivid red. Relative luminance 0.042; OKLCH L 36.2% C 0.130 H 27.5°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#731311
RGB	rgb(115, 19, 17)
HSL	hsl(1, 74%, 26%)
HSV	hsv(1, 85%, 45%)
CMYK	cmyk(0%, 83.5%, 85.2%, 54.9%)
CIE-LAB	lab(24.17, 40.41, 28.20)
CIE-LCH	lch(24.17, 49.28, 34.91°)
OKLab	oklab(36.19% 0.1156 0.0603)
OKLCH	oklch(36.19% 0.13 27.5)
XYZ	xyz(7.4052, 4.1523, 0.9418)
Luminance	0.0415 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731311 #117173

analogous

#731140 #731311 #734411

triadic

#731311 #117313 #131173

tetradic

#731311 #407311 #117173 #441173

square

#731311 #407311 #117173 #441173

split-complementary

#731311 #117344 #114073

monochromatic

#1B0404 #3E0A09 #731311 #A81C19 #DE2521

Accessibility & contrast

On white

11.47

#731311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#731311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731311

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731311	#FFFFFF	#000000	##FFFFFF
##731311	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0F

Deuteranopia (green-blind)

#49410C

Tritanopia (blue-blind)

#7F0014

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #731311;
/* rgb */ color: rgb(115, 19, 17);
/* oklch */ color: oklch(36.2% 0.130 27.5);

Tailwind

colors: {
  custom: {
    50: '#a45b50',
    500: '#731311',
    950: '#000000',
  },
}

SCSS

$custom: #731311;
$custom-light: #a45b50;
$custom-dark: #000000;

JSON

{
  "hex": "#731311",
  "rgb": {
    "r": 115,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 1.224,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36188,
    "c": 0.13032,
    "h": 27.5
  },
  "luminance": 0.04151
}

Semantic roles & 50–950 ramp

primary

#731311

secondary

#36A8AA

accent

#EDF137

background

#FBF5F4

surface

#F5E9E7

border

#CFC5C3

text

#110402

muted

#807978

Preview Lab

Preview with #731311

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

Preview Lab → · Contrast checker → · Palette generator →