#731E18#731E18

#731E18 is a dark, moderate red. Relative luminance 0.046; OKLCH L 37.3% C 0.120 H 28.3°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#731E18
RGB	rgb(115, 30, 24)
HSL	hsl(4, 65%, 27%)
HSV	hsv(4, 79%, 45%)
CMYK	cmyk(0%, 73.9%, 79.1%, 54.9%)
CIE-LAB	lab(25.68, 36.67, 25.53)
CIE-LCH	lch(25.68, 44.69, 34.85°)
OKLab	oklab(37.34% 0.1054 0.0568)
OKLCH	oklch(37.34% 0.12 28.3)
XYZ	xyz(7.7003, 4.6405, 1.3542)
Luminance	0.0464 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731E18 #186D73

analogous

#731840 #731E18 #734C18

triadic

#731E18 #18731E #1E1873

tetradic

#731E18 #407318 #186D73 #4C1873

square

#731E18 #407318 #186D73 #4C1873

split-complementary

#731E18 #18734C #184073

monochromatic

#190705 #40110D #731E18 #A62B23 #D43C31

Accessibility & contrast

On white

10.89

#731E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#731E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731E18

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731E18	#FFFFFF	#000000	##FFFFFF
##731E18	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373117

Deuteranopia (green-blind)

#4C4415

Tritanopia (blue-blind)

#7F001D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731e18;
/* rgb */ color: rgb(115, 30, 24);
/* oklch */ color: oklch(37.3% 0.120 28.3);

Tailwind

colors: {
  custom: {
    50: '#a26055',
    500: '#731e18',
    950: '#000000',
  },
}

SCSS

$custom: #731e18;
$custom-light: #a26055;
$custom-dark: #000000;

JSON

{
  "hex": "#731e18",
  "rgb": {
    "r": 115,
    "g": 30,
    "b": 24
  },
  "hsl": {
    "h": 3.956,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37344,
    "c": 0.1197,
    "h": 28.3
  },
  "luminance": 0.04639
}

Semantic roles & 50–950 ramp

primary

#731E18

secondary

#3FA1A8

accent

#DDE83F

background

#FAF5F4

surface

#F4EAE8

border

#CEC6C4

text

#100503

muted

#7F7978

Preview Lab

Preview with #731E18

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

Preview Lab → · Contrast checker → · Palette generator →