#731A11#731A11

#731A11 is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.8% C 0.125 H 29.9°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#731A11
RGB	rgb(115, 26, 17)
HSL	hsl(6, 74%, 26%)
HSV	hsv(6, 85%, 45%)
CMYK	cmyk(0%, 77.4%, 85.2%, 54.9%)
CIE-LAB	lab(25.03, 38.00, 29.04)
CIE-LCH	lch(25.03, 47.82, 37.38°)
OKLab	oklab(36.83% 0.108 0.0621)
OKLCH	oklch(36.83% 0.125 29.9)
XYZ	xyz(7.5417, 4.4253, 0.9873)
Luminance	0.0442 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731A11 #116A73

analogous

#731139 #731A11 #734B11

triadic

#731A11 #11731A #1A1173

tetradic

#731A11 #397311 #116A73 #4B1173

square

#731A11 #397311 #116A73 #4B1173

split-complementary

#731A11 #11734B #113973

monochromatic

#1B0604 #3E0E09 #731A11 #A82619 #DE3221

Accessibility & contrast

On white

11.14

#731A11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#731A11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731A11

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731A11	#FFFFFF	#000000	##FFFFFF
##731A11	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F0F

Deuteranopia (green-blind)

#4B420C

Tritanopia (blue-blind)

#7F0019

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #731a11;
/* rgb */ color: rgb(115, 26, 17);
/* oklch */ color: oklch(36.8% 0.125 29.9);

Tailwind

colors: {
  custom: {
    50: '#a35e50',
    500: '#731a11',
    950: '#000000',
  },
}

SCSS

$custom: #731a11;
$custom-light: #a35e50;
$custom-dark: #000000;

JSON

{
  "hex": "#731a11",
  "rgb": {
    "r": 115,
    "g": 26,
    "b": 17
  },
  "hsl": {
    "h": 5.51,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3683,
    "c": 0.12459,
    "h": 29.9
  },
  "luminance": 0.04424
}

Semantic roles & 50–950 ramp

primary

#731A11

secondary

#369FAA

accent

#E0F137

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#110502

muted

#807978

Preview Lab

Preview with #731A11

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

Preview Lab → · Contrast checker → · Palette generator →