#821B2B#821B2B

#821B2B is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.137 H 17.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#821B2B
RGB	rgb(130, 27, 43)
HSL	hsl(351, 66%, 31%)
HSV	hsv(351, 79%, 51%)
CMYK	cmyk(0%, 79.2%, 66.9%, 49%)
CIE-LAB	lab(28.66, 43.83, 17.56)
CIE-LCH	lch(28.66, 47.22, 21.83°)
OKLab	oklab(40.21% 0.1304 0.042)
OKLCH	oklch(40.21% 0.137 17.8)
XYZ	xyz(10.0350, 5.7056, 2.8579)
Luminance	0.0570 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#821B2B #1B8272

analogous

#821B5E #821B2B #823F1B

triadic

#821B2B #2B821B #1B2B82

tetradic

#821B2B #5E821B #1B8272 #3F1B82

square

#821B2B #5E821B #1B8272 #3F1B82

split-complementary

#821B2B #1B823F #1B5E82

monochromatic

#1D0609 #4F101A #821B2B #B5263C #D74058

Accessibility & contrast

On white

9.81

#821B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#821B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #821B2B

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##821B2B	#FFFFFF	#000000	##FFFFFF
##821B2B	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362B

Deuteranopia (green-blind)

#534B28

Tritanopia (blue-blind)

#8F0022

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #821b2b;
/* rgb */ color: rgb(130, 27, 43);
/* oklch */ color: oklch(40.2% 0.137 17.8);

Tailwind

colors: {
  custom: {
    50: '#ad6264',
    500: '#821b2b',
    950: '#000000',
  },
}

SCSS

$custom: #821b2b;
$custom-light: #ad6264;
$custom-dark: #000000;

JSON

{
  "hex": "#821b2b",
  "rgb": {
    "r": 130,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 350.68,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4021,
    "c": 0.13696,
    "h": 17.8
  },
  "luminance": 0.05704
}

Semantic roles & 50–950 ramp

primary

#821B2B

secondary

#43B6A4

accent

#E9CE3F

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#110505

muted

#807A79

Preview Lab

Preview with #821B2B

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

Preview Lab → · Contrast checker → · Palette generator →