#8B1F17#8B1F17

#8B1F17 is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.0% C 0.145 H 29.1°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#8B1F17
RGB	rgb(139, 31, 23)
HSL	hsl(4, 72%, 32%)
HSV	hsv(4, 83%, 55%)
CMYK	cmyk(0%, 77.7%, 83.5%, 45.5%)
CIE-LAB	lab(30.72, 44.44, 32.85)
CIE-LCH	lch(30.72, 55.26, 36.48°)
OKLab	oklab(41.98% 0.1266 0.0703)
OKLCH	oklch(41.98% 0.145 29.1)
XYZ	xyz(11.2935, 6.5326, 1.4767)
Luminance	0.0653 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1F17 #17838B

analogous

#8B1749 #8B1F17 #8B5917

triadic

#8B1F17 #178B1F #1F178B

tetradic

#8B1F17 #498B17 #17838B #59178B

square

#8B1F17 #498B17 #17838B #59178B

split-complementary

#8B1F17 #178B59 #17498B

monochromatic

#220806 #56130E #8B1F17 #C02B20 #DF493D

Accessibility & contrast

On white

9.11

#8B1F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#8B1F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1F17

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1F17	#FFFFFF	#000000	##FFFFFF
##8B1F17	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403915

Deuteranopia (green-blind)

#5B5112

Tritanopia (blue-blind)

#9A001E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #8b1f17;
/* rgb */ color: rgb(139, 31, 23);
/* oklch */ color: oklch(42.0% 0.145 29.1);

Tailwind

colors: {
  custom: {
    50: '#b66455',
    500: '#8b1f17',
    950: '#000000',
  },
}

SCSS

$custom: #8b1f17;
$custom-light: #b66455;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1f17",
  "rgb": {
    "r": 139,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 4.138,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41984,
    "c": 0.14482,
    "h": 29.1
  },
  "luminance": 0.06531
}

Semantic roles & 50–950 ramp

primary

#8B1F17

secondary

#3FB6BF

accent

#E2EE39

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8B1F17

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

Preview Lab → · Contrast checker → · Palette generator →