#731E2B#731E2B

#731E2B is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.7% C 0.118 H 16.3°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#731E2B
RGB	rgb(115, 30, 43)
HSL	hsl(351, 59%, 28%)
HSV	hsv(351, 74%, 45%)
CMYK	cmyk(0%, 73.9%, 62.6%, 54.9%)
CIE-LAB	lab(26.01, 37.80, 13.52)
CIE-LCH	lch(26.01, 40.14, 19.68°)
OKLab	oklab(37.69% 0.1131 0.0331)
OKLCH	oklch(37.69% 0.118 16.3)
XYZ	xyz(7.9713, 4.7489, 2.7819)
Luminance	0.0475 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731E2B #1E7366

analogous

#731E55 #731E2B #733B1E

triadic

#731E2B #2B731E #1E2B73

tetradic

#731E2B #55731E #1E7366 #3B1E73

square

#731E2B #55731E #1E7366 #3B1E73

split-complementary

#731E2B #1E733B #1E5573

monochromatic

#180609 #421119 #731E2B #A42B3D #CD3F54

Accessibility & contrast

On white

10.77

#731E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#731E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731E2B

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731E2B	#FFFFFF	#000000	##FFFFFF
##731E2B	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34322B

Deuteranopia (green-blind)

#4A4429

Tritanopia (blue-blind)

#7E0723

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #731e2b;
/* rgb */ color: rgb(115, 30, 43);
/* oklch */ color: oklch(37.7% 0.118 16.3);

Tailwind

colors: {
  custom: {
    50: '#a16164',
    500: '#731e2b',
    950: '#000000',
  },
}

SCSS

$custom: #731e2b;
$custom-light: #a16164;
$custom-dark: #000000;

JSON

{
  "hex": "#731e2b",
  "rgb": {
    "r": 115,
    "g": 30,
    "b": 43
  },
  "hsl": {
    "h": 350.824,
    "s": 58.621,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37688,
    "c": 0.11788,
    "h": 16.3
  },
  "luminance": 0.04748
}

Semantic roles & 50–950 ramp

primary

#731E2B

secondary

#46A798

accent

#E2CA46

background

#FAF5F5

surface

#F4EAEA

border

#CEC6C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #731E2B

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

Preview Lab → · Contrast checker → · Palette generator →