#731728#731728

#731728 is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.9% C 0.125 H 16.0°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#731728
RGB	rgb(115, 23, 40)
HSL	hsl(349, 67%, 27%)
HSV	hsv(349, 80%, 45%)
CMYK	cmyk(0%, 80%, 65.2%, 54.9%)
CIE-LAB	lab(24.99, 40.24, 14.21)
CIE-LCH	lch(24.99, 42.67, 19.45°)
OKLab	oklab(36.91% 0.1204 0.0344)
OKLCH	oklch(36.91% 0.125 16)
XYZ	xyz(7.7604, 4.4120, 2.4500)
Luminance	0.0441 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731728 #177362

analogous

#731756 #731728 #733417

triadic

#731728 #287317 #172873

tetradic

#731728 #567317 #177362 #341773

square

#731728 #567317 #177362 #341773

split-complementary

#731728 #177334 #175673

monochromatic

#1A0509 #400D16 #731728 #A6213A #D52F4E

Accessibility & contrast

On white

11.16

#731728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#731728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731728

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731728	#FFFFFF	#000000	##FFFFFF
##731728	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312F28

Deuteranopia (green-blind)

#484225

Tritanopia (blue-blind)

#7F001E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #731728;
/* rgb */ color: rgb(115, 23, 40);
/* oklch */ color: oklch(36.9% 0.125 16.0);

Tailwind

colors: {
  custom: {
    50: '#a15d61',
    500: '#731728',
    950: '#000000',
  },
}

SCSS

$custom: #731728;
$custom-light: #a15d61;
$custom-dark: #000000;

JSON

{
  "hex": "#731728",
  "rgb": {
    "r": 115,
    "g": 23,
    "b": 40
  },
  "hsl": {
    "h": 348.913,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36911,
    "c": 0.12519,
    "h": 16
  },
  "luminance": 0.04411
}

Semantic roles & 50–950 ramp

primary

#731728

secondary

#3DA995

accent

#EACA3E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100505

muted

#7F7979

Preview Lab

Preview with #731728

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

Preview Lab → · Contrast checker → · Palette generator →