#8B311C#8B311C

#8B311C is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.1% C 0.127 H 34.5°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#8B311C
RGB	rgb(139, 49, 28)
HSL	hsl(11, 66%, 33%)
HSV	hsv(11, 80%, 55%)
CMYK	cmyk(0%, 64.7%, 79.9%, 45.5%)
CIE-LAB	lab(33.50, 37.16, 32.85)
CIE-LCH	lch(33.50, 49.60, 41.48°)
OKLab	oklab(44.09% 0.1049 0.072)
OKLCH	oklch(44.09% 0.127 34.5)
XYZ	xyz(11.9567, 7.7711, 1.9688)
Luminance	0.0777 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B311C #1C768B

analogous

#8B1C3F #8B311C #8B681C

triadic

#8B311C #1C8B31 #311C8B

tetradic

#8B311C #3F8B1C #1C768B #681C8B

square

#8B311C #3F8B1C #1C768B #681C8B

split-complementary

#8B311C #1C8B68 #1C3F8B

monochromatic

#250D07 #581F12 #8B311C #BE4326 #DA6347

Accessibility & contrast

On white

8.22

#8B311C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#8B311C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B311C

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B311C	#FFFFFF	#000000	##FFFFFF
##8B311C	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4219

Deuteranopia (green-blind)

#615619

Tritanopia (blue-blind)

#991A2D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #8b311c;
/* rgb */ color: rgb(139, 49, 28);
/* oklch */ color: oklch(44.1% 0.127 34.5);

Tailwind

colors: {
  custom: {
    50: '#b46d5a',
    500: '#8b311c',
    950: '#000000',
  },
}

SCSS

$custom: #8b311c;
$custom-light: #b46d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#8b311c",
  "rgb": {
    "r": 139,
    "g": 49,
    "b": 28
  },
  "hsl": {
    "h": 11.351,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44086,
    "c": 0.12727,
    "h": 34.5
  },
  "luminance": 0.07769
}

Semantic roles & 50–950 ramp

primary

#8B311C

secondary

#47A6BC

accent

#C9E93E

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#120704

muted

#817A79

Preview Lab

Preview with #8B311C

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

Preview Lab → · Contrast checker → · Palette generator →