#731511#731511

#731511 is a dark, vivid red. Relative luminance 0.042; OKLCH L 36.4% C 0.129 H 28.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#731511
RGB	rgb(115, 21, 17)
HSL	hsl(2, 74%, 26%)
HSV	hsv(2, 85%, 45%)
CMYK	cmyk(0%, 81.7%, 85.2%, 54.9%)
CIE-LAB	lab(24.39, 39.78, 28.42)
CIE-LCH	lch(24.39, 48.89, 35.55°)
OKLab	oklab(36.36% 0.1136 0.0608)
OKLCH	oklch(36.36% 0.129 28.2)
XYZ	xyz(7.4405, 4.2228, 0.9535)
Luminance	0.0422 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731511 #116F73

analogous

#73113E #731511 #734611

triadic

#731511 #117315 #151173

tetradic

#731511 #3E7311 #116F73 #461173

square

#731511 #3E7311 #116F73 #461173

split-complementary

#731511 #117346 #113E73

monochromatic

#1B0504 #3E0B09 #731511 #A81F19 #DE2821

Accessibility & contrast

On white

11.39

#731511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#731511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731511

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731511	#FFFFFF	#000000	##FFFFFF
##731511	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D0F

Deuteranopia (green-blind)

#4A410C

Tritanopia (blue-blind)

#7F0015

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #731511;
/* rgb */ color: rgb(115, 21, 17);
/* oklch */ color: oklch(36.4% 0.129 28.2);

Tailwind

colors: {
  custom: {
    50: '#a35c50',
    500: '#731511',
    950: '#000000',
  },
}

SCSS

$custom: #731511;
$custom-light: #a35c50;
$custom-dark: #000000;

JSON

{
  "hex": "#731511",
  "rgb": {
    "r": 115,
    "g": 21,
    "b": 17
  },
  "hsl": {
    "h": 2.449,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36357,
    "c": 0.12878,
    "h": 28.2
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#731511

secondary

#36A5AA

accent

#E9F137

background

#FBF5F4

surface

#F5E9E7

border

#CFC5C3

text

#110402

muted

#807978

Preview Lab

Preview with #731511

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

Preview Lab → · Contrast checker → · Palette generator →