#8B1F37#8B1F37

#8B1F37 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.143 H 13.4°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#8B1F37
RGB	rgb(139, 31, 55)
HSL	hsl(347, 64%, 33%)
HSV	hsv(347, 78%, 55%)
CMYK	cmyk(0%, 77.7%, 60.4%, 45.5%)
CIE-LAB	lab(31.22, 46.08, 13.35)
CIE-LCH	lch(31.22, 47.98, 16.15°)
OKLab	oklab(42.52% 0.1388 0.033)
OKLCH	oklch(42.52% 0.143 13.4)
XYZ	xyz(11.8282, 6.7465, 4.2931)
Luminance	0.0674 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1F37 #1F8B73

analogous

#8B1F6D #8B1F37 #8B3D1F

triadic

#8B1F37 #378B1F #1F378B

tetradic

#8B1F37 #6D8B1F #1F8B73 #3D1F8B

square

#8B1F37 #6D8B1F #1F8B73 #3D1F8B

split-complementary

#8B1F37 #1F8B3D #1F6D8B

monochromatic

#27090F #591423 #8B1F37 #BD2A4B #D74D6C

Accessibility & contrast

On white

8.94

#8B1F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#8B1F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1F37

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1F37	#FFFFFF	#000000	##FFFFFF
##8B1F37	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B37

Deuteranopia (green-blind)

#585234

Tritanopia (blue-blind)

#990029

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #8b1f37;
/* rgb */ color: rgb(139, 31, 55);
/* oklch */ color: oklch(42.5% 0.143 13.4);

Tailwind

colors: {
  custom: {
    50: '#b3656d',
    500: '#8b1f37',
    950: '#000000',
  },
}

SCSS

$custom: #8b1f37;
$custom-light: #b3656d;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1f37",
  "rgb": {
    "r": 139,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 346.667,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4252,
    "c": 0.14268,
    "h": 13.4
  },
  "luminance": 0.06745
}

Semantic roles & 50–950 ramp

primary

#8B1F37

secondary

#4CBAA2

accent

#E7C241

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120607

muted

#817A7A

Preview Lab

Preview with #8B1F37

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

Preview Lab → · Contrast checker → · Palette generator →