#731F2F#731F2F

#731F2F is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.9% C 0.117 H 13.7°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#731F2F
RGB	rgb(115, 31, 47)
HSL	hsl(349, 58%, 29%)
HSV	hsv(349, 73%, 45%)
CMYK	cmyk(0%, 73%, 59.1%, 54.9%)
CIE-LAB	lab(26.25, 37.69, 11.15)
CIE-LCH	lch(26.25, 39.31, 16.47°)
OKLab	oklab(37.9% 0.1135 0.0278)
OKLCH	oklch(37.9% 0.117 13.7)
XYZ	xyz(8.0741, 4.8312, 3.1961)
Luminance	0.0483 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731F2F #1F7363

analogous

#731F59 #731F2F #73391F

triadic

#731F2F #2F731F #1F2F73

tetradic

#731F2F #59731F #1F7363 #391F73

square

#731F2F #59731F #1F7363 #391F73

split-complementary

#731F2F #1F7339 #1F5973

monochromatic

#18060A #43121B #731F2F #A32C43 #CC415B

Accessibility & contrast

On white

10.68

#731F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#731F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731F2F

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731F2F	#FFFFFF	#000000	##FFFFFF
##731F2F	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34332F

Deuteranopia (green-blind)

#4A442D

Tritanopia (blue-blind)

#7E0B25

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #731f2f;
/* rgb */ color: rgb(115, 31, 47);
/* oklch */ color: oklch(37.9% 0.117 13.7);

Tailwind

colors: {
  custom: {
    50: '#a16167',
    500: '#731f2f',
    950: '#000000',
  },
}

SCSS

$custom: #731f2f;
$custom-light: #a16167;
$custom-dark: #000000;

JSON

{
  "hex": "#731f2f",
  "rgb": {
    "r": 115,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 348.571,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37896,
    "c": 0.11689,
    "h": 13.7
  },
  "luminance": 0.0483
}

Semantic roles & 50–950 ramp

primary

#731F2F

secondary

#47A795

accent

#E1C347

background

#FAF6F6

surface

#F4EBEB

border

#CEC6C6

text

#100506

muted

#7F7A7A

Preview Lab

Preview with #731F2F

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

Preview Lab → · Contrast checker → · Palette generator →