#731D16#731D16

#731D16 is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.2% C 0.121 H 28.9°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#731D16
RGB	rgb(115, 29, 22)
HSL	hsl(5, 68%, 27%)
HSV	hsv(5, 81%, 45%)
CMYK	cmyk(0%, 74.8%, 80.9%, 54.9%)
CIE-LAB	lab(25.51, 37.00, 26.57)
CIE-LCH	lch(25.51, 45.55, 35.68°)
OKLab	oklab(37.21% 0.1059 0.0585)
OKLCH	oklch(37.21% 0.121 28.9)
XYZ	xyz(7.6553, 4.5827, 1.2404)
Luminance	0.0458 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731D16 #166C73

analogous

#73163E #731D16 #734C16

triadic

#731D16 #16731D #1D1673

tetradic

#731D16 #3E7316 #166C73 #4C1673

square

#731D16 #3E7316 #166C73 #4C1673

split-complementary

#731D16 #16734C #163E73

monochromatic

#1A0605 #40100C #731D16 #A62A20 #D7392D

Accessibility & contrast

On white

10.96

#731D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#731D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731D16

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731D16	#FFFFFF	#000000	##FFFFFF
##731D16	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363014

Deuteranopia (green-blind)

#4C4312

Tritanopia (blue-blind)

#7F001C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #731d16;
/* rgb */ color: rgb(115, 29, 22);
/* oklch */ color: oklch(37.2% 0.121 28.9);

Tailwind

colors: {
  custom: {
    50: '#a36054',
    500: '#731d16',
    950: '#000000',
  },
}

SCSS

$custom: #731d16;
$custom-light: #a36054;
$custom-dark: #000000;

JSON

{
  "hex": "#731d16",
  "rgb": {
    "r": 115,
    "g": 29,
    "b": 22
  },
  "hsl": {
    "h": 4.516,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.37206,
    "c": 0.12101,
    "h": 28.9
  },
  "luminance": 0.04581
}

Semantic roles & 50–950 ramp

primary

#731D16

secondary

#3CA1A9

accent

#DEEB3D

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #731D16

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

Preview Lab → · Contrast checker → · Palette generator →