#8B311B#8B311B

#8B311B is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.1% C 0.128 H 34.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#8B311B
RGB	rgb(139, 49, 27)
HSL	hsl(12, 67%, 33%)
HSV	hsv(12, 81%, 55%)
CMYK	cmyk(0%, 64.7%, 80.6%, 45.5%)
CIE-LAB	lab(33.49, 37.12, 33.39)
CIE-LCH	lch(33.49, 49.93, 41.97°)
OKLab	oklab(44.08% 0.1046 0.0729)
OKLCH	oklch(44.08% 0.128 34.9)
XYZ	xyz(11.9449, 7.7664, 1.9068)
Luminance	0.0776 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B311B #1B758B

analogous

#8B1B3D #8B311B #8B691B

triadic

#8B311B #1B8B31 #311B8B

tetradic

#8B311B #3D8B1B #1B758B #691B8B

square

#8B311B #3D8B1B #1B758B #691B8B

split-complementary

#8B311B #1B8B69 #1B3D8B

monochromatic

#250D07 #581F11 #8B311B #BE4325 #DB6345

Accessibility & contrast

On white

8.23

#8B311B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#8B311B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B311B

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B311B	#FFFFFF	#000000	##FFFFFF
##8B311B	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4218

Deuteranopia (green-blind)

#615618

Tritanopia (blue-blind)

#99192D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #8b311b;
/* rgb */ color: rgb(139, 49, 27);
/* oklch */ color: oklch(44.1% 0.128 34.9);

Tailwind

colors: {
  custom: {
    50: '#b46d59',
    500: '#8b311b',
    950: '#000000',
  },
}

SCSS

$custom: #8b311b;
$custom-light: #b46d59;
$custom-dark: #000000;

JSON

{
  "hex": "#8b311b",
  "rgb": {
    "r": 139,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 11.786,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44075,
    "c": 0.12751,
    "h": 34.9
  },
  "luminance": 0.07765
}

Semantic roles & 50–950 ramp

primary

#8B311B

secondary

#45A5BC

accent

#C8EA3D

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#120703

muted

#817A78

Preview Lab

Preview with #8B311B

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

Preview Lab → · Contrast checker → · Palette generator →