#731811#731811

#731811 is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.6% C 0.126 H 29.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#731811
RGB	rgb(115, 24, 17)
HSL	hsl(4, 74%, 26%)
HSV	hsv(4, 85%, 45%)
CMYK	cmyk(0%, 79.1%, 85.2%, 54.9%)
CIE-LAB	lab(24.76, 38.74, 28.78)
CIE-LCH	lch(24.76, 48.26, 36.61°)
OKLab	oklab(36.63% 0.1103 0.0616)
OKLCH	oklch(36.63% 0.126 29.2)
XYZ	xyz(7.4990, 4.3398, 0.9730)
Luminance	0.0434 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731811 #116C73

analogous

#73113B #731811 #734911

triadic

#731811 #117318 #181173

tetradic

#731811 #3B7311 #116C73 #491173

square

#731811 #3B7311 #116C73 #491173

split-complementary

#731811 #117349 #113B73

monochromatic

#1B0604 #3E0D09 #731811 #A82319 #DE2E21

Accessibility & contrast

On white

11.24

#731811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#731811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731811

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731811	#FFFFFF	#000000	##FFFFFF
##731811	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E0F

Deuteranopia (green-blind)

#4B420C

Tritanopia (blue-blind)

#7F0017

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #731811;
/* rgb */ color: rgb(115, 24, 17);
/* oklch */ color: oklch(36.6% 0.126 29.2);

Tailwind

colors: {
  custom: {
    50: '#a35d50',
    500: '#731811',
    950: '#000000',
  },
}

SCSS

$custom: #731811;
$custom-light: #a35d50;
$custom-dark: #000000;

JSON

{
  "hex": "#731811",
  "rgb": {
    "r": 115,
    "g": 24,
    "b": 17
  },
  "hsl": {
    "h": 4.286,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36632,
    "c": 0.12632,
    "h": 29.2
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary

#731811

secondary

#36A2AA

accent

#E4F137

background

#FAF5F4

surface

#F5E9E7

border

#CFC5C3

text

#110502

muted

#807978

Preview Lab

Preview with #731811

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

Preview Lab → · Contrast checker → · Palette generator →