#731F28#731F28

#731F28 is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.7% C 0.117 H 18.9°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#731F28
RGB	rgb(115, 31, 40)
HSL	hsl(354, 58%, 29%)
HSV	hsv(354, 73%, 45%)
CMYK	cmyk(0%, 73%, 65.2%, 54.9%)
CIE-LAB	lab(26.10, 37.16, 15.65)
CIE-LCH	lch(26.10, 40.32, 22.84°)
OKLab	oklab(37.73% 0.1105 0.0378)
OKLCH	oklch(37.73% 0.117 18.9)
XYZ	xyz(7.9440, 4.7791, 2.5112)
Luminance	0.0478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731F28 #1F736A

analogous

#731F52 #731F28 #73401F

triadic

#731F28 #28731F #1F2873

tetradic

#731F28 #52731F #1F736A #401F73

square

#731F28 #52731F #1F736A #401F73

split-complementary

#731F28 #1F7340 #1F5273

monochromatic

#180608 #431217 #731F28 #A32C39 #CC4150

Accessibility & contrast

On white

10.74

#731F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#731F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731F28

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731F28	#FFFFFF	#000000	##FFFFFF
##731F28	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353328

Deuteranopia (green-blind)

#4B4426

Tritanopia (blue-blind)

#7E0823

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #731f28;
/* rgb */ color: rgb(115, 31, 40);
/* oklch */ color: oklch(37.7% 0.117 18.9);

Tailwind

colors: {
  custom: {
    50: '#a16161',
    500: '#731f28',
    950: '#000000',
  },
}

SCSS

$custom: #731f28;
$custom-light: #a16161;
$custom-dark: #000000;

JSON

{
  "hex": "#731f28",
  "rgb": {
    "r": 115,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 353.571,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37734,
    "c": 0.11679,
    "h": 18.9
  },
  "luminance": 0.04778
}

Semantic roles & 50–950 ramp

primary

#731F28

secondary

#47A79D

accent

#E1D047

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100505

muted

#7F7979

Preview Lab

Preview with #731F28

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

Preview Lab → · Contrast checker → · Palette generator →