#731E11#731E11

#731E11 is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.3% C 0.121 H 31.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#731E11
RGB	rgb(115, 30, 17)
HSL	hsl(8, 74%, 26%)
HSV	hsv(8, 85%, 45%)
CMYK	cmyk(0%, 73.9%, 85.2%, 54.9%)
CIE-LAB	lab(25.61, 36.41, 29.59)
CIE-LCH	lch(25.61, 46.92, 39.11°)
OKLab	oklab(37.26% 0.103 0.0634)
OKLCH	oklch(37.26% 0.121 31.6)
XYZ	xyz(7.6366, 4.6150, 1.0189)
Luminance	0.0461 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731E11 #116673

analogous

#731135 #731E11 #734F11

triadic

#731E11 #11731E #1E1173

tetradic

#731E11 #357311 #116673 #4F1173

square

#731E11 #357311 #116673 #4F1173

split-complementary

#731E11 #11734F #113573

monochromatic

#1B0704 #3E1009 #731E11 #A82C19 #DE3A21

Accessibility & contrast

On white

10.92

#731E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#731E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731E11

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731E11	#FFFFFF	#000000	##FFFFFF
##731E11	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37310F

Deuteranopia (green-blind)

#4C440D

Tritanopia (blue-blind)

#7F001C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731e11;
/* rgb */ color: rgb(115, 30, 17);
/* oklch */ color: oklch(37.3% 0.121 31.6);

Tailwind

colors: {
  custom: {
    50: '#a36050',
    500: '#731e11',
    950: '#000000',
  },
}

SCSS

$custom: #731e11;
$custom-light: #a36050;
$custom-dark: #000000;

JSON

{
  "hex": "#731e11",
  "rgb": {
    "r": 115,
    "g": 30,
    "b": 17
  },
  "hsl": {
    "h": 7.959,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.37262,
    "c": 0.12094,
    "h": 31.6
  },
  "luminance": 0.04614
}

Semantic roles & 50–950 ramp

primary

#731E11

secondary

#369BAA

accent

#D8F137

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#110502

muted

#807978

Preview Lab

Preview with #731E11

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

Preview Lab → · Contrast checker → · Palette generator →