#731819#731819

#731819 is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.7% C 0.125 H 25.4°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#731819
RGB	rgb(115, 24, 25)
HSL	hsl(359, 65%, 27%)
HSV	hsv(359, 79%, 45%)
CMYK	cmyk(0%, 79.1%, 78.3%, 54.9%)
CIE-LAB	lab(24.86, 39.05, 23.99)
CIE-LCH	lch(24.86, 45.83, 31.57°)
OKLab	oklab(36.73% 0.1131 0.0537)
OKLCH	oklch(36.73% 0.125 25.4)
XYZ	xyz(7.5732, 4.3695, 1.3641)
Luminance	0.0437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731819 #187372

analogous

#731846 #731819 #734518

triadic

#731819 #197318 #181973

tetradic

#731819 #467318 #187372 #451873

square

#731819 #467318 #187372 #451873

split-complementary

#731819 #187345 #184673

monochromatic

#190506 #400D0E #731819 #A62324 #D43133

Accessibility & contrast

On white

11.21

#731819 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#731819 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731819

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731819	#FFFFFF	#000000	##FFFFFF
##731819	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E18

Deuteranopia (green-blind)

#4A4216

Tritanopia (blue-blind)

#7F001A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #731819;
/* rgb */ color: rgb(115, 24, 25);
/* oklch */ color: oklch(36.7% 0.125 25.4);

Tailwind

colors: {
  custom: {
    50: '#a35d56',
    500: '#731819',
    950: '#000000',
  },
}

SCSS

$custom: #731819;
$custom-light: #a35d56;
$custom-dark: #000000;

JSON

{
  "hex": "#731819",
  "rgb": {
    "r": 115,
    "g": 24,
    "b": 25
  },
  "hsl": {
    "h": 359.341,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3673,
    "c": 0.12519,
    "h": 25.4
  },
  "luminance": 0.04368
}

Semantic roles & 50–950 ramp

primary

#731819

secondary

#3FA8A7

accent

#E8E73F

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #731819

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

Preview Lab → · Contrast checker → · Palette generator →