#8B1F2F#8B1F2F

#8B1F2F is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.3% C 0.142 H 18.0°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#8B1F2F
RGB	rgb(139, 31, 47)
HSL	hsl(351, 64%, 33%)
HSV	hsv(351, 78%, 55%)
CMYK	cmyk(0%, 77.7%, 66.2%, 45.5%)
CIE-LAB	lab(31.06, 45.55, 18.38)
CIE-LCH	lch(31.06, 49.12, 21.97°)
OKLab	oklab(42.35% 0.1355 0.044)
OKLCH	oklch(42.35% 0.142 18)
XYZ	xyz(11.6518, 6.6759, 3.3638)
Luminance	0.0667 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1F2F #1F8B7B

analogous

#8B1F65 #8B1F2F #8B451F

triadic

#8B1F2F #2F8B1F #1F2F8B

tetradic

#8B1F2F #658B1F #1F8B7B #451F8B

square

#8B1F2F #658B1F #1F8B7B #451F8B

split-complementary

#8B1F2F #1F8B45 #1F658B

monochromatic

#27090D #59141E #8B1F2F #BD2A40 #D74D62

Accessibility & contrast

On white

8.99

#8B1F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#8B1F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1F2F

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1F2F	#FFFFFF	#000000	##FFFFFF
##8B1F2F	1.00	8.99	2.33	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3B2F

Deuteranopia (green-blind)

#59512C

Tritanopia (blue-blind)

#990026

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #8b1f2f;
/* rgb */ color: rgb(139, 31, 47);
/* oklch */ color: oklch(42.3% 0.142 18.0);

Tailwind

colors: {
  custom: {
    50: '#b46567',
    500: '#8b1f2f',
    950: '#000000',
  },
}

SCSS

$custom: #8b1f2f;
$custom-light: #b46567;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1f2f",
  "rgb": {
    "r": 139,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 351.111,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42345,
    "c": 0.14244,
    "h": 18
  },
  "luminance": 0.06674
}

Semantic roles & 50–950 ramp

primary

#8B1F2F

secondary

#4CBAAA

accent

#E7CE41

background

#FBF6F6

surface

#F7EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #8B1F2F

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

Preview Lab → · Contrast checker → · Palette generator →