#731A23#731A23

#731A23 is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.1% C 0.122 H 20.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#731A23
RGB	rgb(115, 26, 35)
HSL	hsl(354, 63%, 28%)
HSV	hsv(354, 77%, 45%)
CMYK	cmyk(0%, 77.4%, 69.6%, 54.9%)
CIE-LAB	lab(25.28, 38.83, 17.95)
CIE-LCH	lch(25.28, 42.78, 24.81°)
OKLab	oklab(37.09% 0.1148 0.0424)
OKLCH	oklch(37.09% 0.122 20.3)
XYZ	xyz(7.7438, 4.5061, 2.0518)
Luminance	0.0450 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731A23 #1A736A

analogous

#731A4F #731A23 #733E1A

triadic

#731A23 #23731A #1A2373

tetradic

#731A23 #4F731A #1A736A #3E1A73

square

#731A23 #4F731A #1A736A #3E1A73

split-complementary

#731A23 #1A733E #1A4F73

monochromatic

#190608 #410F14 #731A23 #A52532 #D23646

Accessibility & contrast

On white

11.05

#731A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#731A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731A23

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731A23	#FFFFFF	#000000	##FFFFFF
##731A23	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333023

Deuteranopia (green-blind)

#4A4320

Tritanopia (blue-blind)

#7F001E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731a23;
/* rgb */ color: rgb(115, 26, 35);
/* oklch */ color: oklch(37.1% 0.122 20.3);

Tailwind

colors: {
  custom: {
    50: '#a25f5d',
    500: '#731a23',
    950: '#000000',
  },
}

SCSS

$custom: #731a23;
$custom-light: #a25f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#731a23",
  "rgb": {
    "r": 115,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 353.933,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37094,
    "c": 0.12234,
    "h": 20.3
  },
  "luminance": 0.04505
}

Semantic roles & 50–950 ramp

primary

#731A23

secondary

#41A89D

accent

#E6D642

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100504

muted

#7F7979

Preview Lab

Preview with #731A23

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

Preview Lab → · Contrast checker → · Palette generator →