#731828#731828

#731828 is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.0% C 0.124 H 16.3°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#731828
RGB	rgb(115, 24, 40)
HSL	hsl(349, 65%, 27%)
HSV	hsv(349, 79%, 45%)
CMYK	cmyk(0%, 79.1%, 65.2%, 54.9%)
CIE-LAB	lab(25.11, 39.89, 14.37)
CIE-LCH	lch(25.11, 42.40, 19.82°)
OKLab	oklab(37% 0.1192 0.0348)
OKLCH	oklch(37% 0.124 16.3)
XYZ	xyz(7.7807, 4.4525, 2.4568)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731828 #187363

analogous

#731855 #731828 #733618

triadic

#731828 #287318 #182873

tetradic

#731828 #557318 #187363 #361873

square

#731828 #557318 #187363 #361873

split-complementary

#731828 #187336 #185573

monochromatic

#190509 #400D16 #731828 #A6233A #D4314E

Accessibility & contrast

On white

11.11

#731828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#731828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731828

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731828	#FFFFFF	#000000	##FFFFFF
##731828	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)

#322F28

Deuteranopia (green-blind)

#494225

Tritanopia (blue-blind)

#7F001F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731828;
/* rgb */ color: rgb(115, 24, 40);
/* oklch */ color: oklch(37.0% 0.124 16.3);

Tailwind

colors: {
  custom: {
    50: '#a15e61',
    500: '#731828',
    950: '#000000',
  },
}

SCSS

$custom: #731828;
$custom-light: #a15e61;
$custom-dark: #000000;

JSON

{
  "hex": "#731828",
  "rgb": {
    "r": 115,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 349.451,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37004,
    "c": 0.12422,
    "h": 16.3
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#731828

secondary

#3FA896

accent

#E8CB3F

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100505

muted

#7F7979

Preview Lab

Preview with #731828

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

Preview Lab → · Contrast checker → · Palette generator →