#731C22#731C22

#731C22 is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.3% C 0.120 H 21.7°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#731C22
RGB	rgb(115, 28, 34)
HSL	hsl(356, 61%, 28%)
HSV	hsv(356, 76%, 45%)
CMYK	cmyk(0%, 75.7%, 70.4%, 54.9%)
CIE-LAB	lab(25.54, 38.00, 18.94)
CIE-LCH	lch(25.54, 42.46, 26.49°)
OKLab	oklab(37.28% 0.1119 0.0445)
OKLCH	oklch(37.28% 0.12 21.7)
XYZ	xyz(7.7751, 4.5920, 1.9900)
Luminance	0.0459 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731C22 #1C736D

analogous

#731C4D #731C22 #73411C

triadic

#731C22 #22731C #1C2273

tetradic

#731C22 #4D731C #1C736D #411C73

square

#731C22 #4D731C #1C736D #411C73

split-complementary

#731C22 #1C7341 #1C4D73

monochromatic

#190607 #421013 #731C22 #A42831 #CF3A45

Accessibility & contrast

On white

10.95

#731C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#731C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731C22

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731C22	#FFFFFF	#000000	##FFFFFF
##731C22	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)

#353122

Deuteranopia (green-blind)

#4A431F

Tritanopia (blue-blind)

#7F001F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731c22;
/* rgb */ color: rgb(115, 28, 34);
/* oklch */ color: oklch(37.3% 0.120 21.7);

Tailwind

colors: {
  custom: {
    50: '#a25f5d',
    500: '#731c22',
    950: '#000000',
  },
}

SCSS

$custom: #731c22;
$custom-light: #a25f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#731c22",
  "rgb": {
    "r": 115,
    "g": 28,
    "b": 34
  },
  "hsl": {
    "h": 355.862,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37283,
    "c": 0.12039,
    "h": 21.7
  },
  "luminance": 0.04591
}

Semantic roles & 50–950 ramp

primary

#731C22

secondary

#43A7A1

accent

#E4D944

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100504

muted

#7F7979

Preview Lab

Preview with #731C22

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

Preview Lab → · Contrast checker → · Palette generator →