#861B1B#861B1B

#861B1B is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.142 H 26.3°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#861B1B
RGB	rgb(134, 27, 27)
HSL	hsl(0, 66%, 32%)
HSV	hsv(0, 80%, 53%)
CMYK	cmyk(0%, 79.9%, 79.9%, 47.5%)
CIE-LAB	lab(29.24, 44.31, 28.68)
CIE-LCH	lch(29.24, 52.78, 32.92°)
OKLab	oklab(40.71% 0.1277 0.0631)
OKLCH	oklch(40.71% 0.142 26.3)
XYZ	xyz(10.4225, 5.9330, 1.6331)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#861B1B #1B8686

analogous

#861B51 #861B1B #86511B

triadic

#861B1B #1B861B #1B1B86

tetradic

#861B1B #51861B #1B8686 #511B86

square

#861B1B #51861B #1B8686 #511B86

split-complementary

#861B1B #1B8651 #1B5186

monochromatic

#200606 #531111 #861B1B #B92525 #D94242

Accessibility & contrast

On white

9.61

#861B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#861B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #861B1B

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##861B1B	#FFFFFF	#000000	##FFFFFF
##861B1B	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C361A

Deuteranopia (green-blind)

#574D16

Tritanopia (blue-blind)

#94001D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #861b1b;
/* rgb */ color: rgb(134, 27, 27);
/* oklch */ color: oklch(40.7% 0.142 26.3);

Tailwind

colors: {
  custom: {
    50: '#b16258',
    500: '#861b1b',
    950: '#000000',
  },
}

SCSS

$custom: #861b1b;
$custom-light: #b16258;
$custom-dark: #000000;

JSON

{
  "hex": "#861b1b",
  "rgb": {
    "r": 134,
    "g": 27,
    "b": 27
  },
  "hsl": {
    "h": 0,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40714,
    "c": 0.14237,
    "h": 26.3
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#861B1B

secondary

#44B9B9

accent

#E9E93E

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #861B1B

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

Preview Lab → · Contrast checker → · Palette generator →