#8B311D#8B311D

#8B311D is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.1% C 0.127 H 34.1°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#8B311D
RGB	rgb(139, 49, 29)
HSL	hsl(11, 65%, 33%)
HSV	hsv(11, 79%, 55%)
CMYK	cmyk(0%, 64.7%, 79.1%, 45.5%)
CIE-LAB	lab(33.51, 37.20, 32.31)
CIE-LCH	lch(33.51, 49.27, 40.97°)
OKLab	oklab(44.1% 0.1053 0.0711)
OKLCH	oklch(44.1% 0.127 34.1)
XYZ	xyz(11.9689, 7.7760, 2.0328)
Luminance	0.0777 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B311D #1D778B

analogous

#8B1D40 #8B311D #8B681D

triadic

#8B311D #1D8B31 #311D8B

tetradic

#8B311D #408B1D #1D778B #681D8B

square

#8B311D #408B1D #1D778B #681D8B

split-complementary

#8B311D #1D8B68 #1D408B

monochromatic

#260D08 #581F12 #8B311D #BE4328 #D96349

Accessibility & contrast

On white

8.22

#8B311D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#8B311D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B311D

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B311D	#FFFFFF	#000000	##FFFFFF
##8B311D	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)

#4A421A

Deuteranopia (green-blind)

#61561A

Tritanopia (blue-blind)

#991A2D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #8b311d;
/* rgb */ color: rgb(139, 49, 29);
/* oklch */ color: oklch(44.1% 0.127 34.1);

Tailwind

colors: {
  custom: {
    50: '#b46d5a',
    500: '#8b311d',
    950: '#000000',
  },
}

SCSS

$custom: #8b311d;
$custom-light: #b46d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#8b311d",
  "rgb": {
    "r": 139,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 10.909,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44097,
    "c": 0.12705,
    "h": 34.1
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#8B311D

secondary

#49A6BB

accent

#CAE83F

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#120704

muted

#817A79

Preview Lab

Preview with #8B311D

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

Preview Lab → · Contrast checker → · Palette generator →