#731F16#731F16

#731F16 is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.4% C 0.119 H 29.8°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#731F16
RGB	rgb(115, 31, 22)
HSL	hsl(6, 68%, 27%)
HSV	hsv(6, 81%, 45%)
CMYK	cmyk(0%, 73%, 80.9%, 54.9%)
CIE-LAB	lab(25.81, 36.17, 26.89)
CIE-LCH	lch(25.81, 45.07, 36.63°)
OKLab	oklab(37.43% 0.1033 0.0592)
OKLCH	oklch(37.43% 0.119 29.8)
XYZ	xyz(7.7059, 4.6839, 1.2572)
Luminance	0.0468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731F16 #166A73

analogous

#73163C #731F16 #734E16

triadic

#731F16 #16731F #1F1673

tetradic

#731F16 #3C7316 #166A73 #4E1673

square

#731F16 #3C7316 #166A73 #4E1673

split-complementary

#731F16 #16734E #163C73

monochromatic

#1A0705 #40110C #731F16 #A62D20 #D73D2D

Accessibility & contrast

On white

10.84

#731F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#731F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731F16

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731F16	#FFFFFF	#000000	##FFFFFF
##731F16	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383114

Deuteranopia (green-blind)

#4C4413

Tritanopia (blue-blind)

#7F021E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731f16;
/* rgb */ color: rgb(115, 31, 22);
/* oklch */ color: oklch(37.4% 0.119 29.8);

Tailwind

colors: {
  custom: {
    50: '#a36154',
    500: '#731f16',
    950: '#000000',
  },
}

SCSS

$custom: #731f16;
$custom-light: #a36154;
$custom-dark: #000000;

JSON

{
  "hex": "#731f16",
  "rgb": {
    "r": 115,
    "g": 31,
    "b": 22
  },
  "hsl": {
    "h": 5.806,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.37433,
    "c": 0.11908,
    "h": 29.8
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#731F16

secondary

#3C9EA9

accent

#DAEB3D

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #731F16

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

Preview Lab → · Contrast checker → · Palette generator →