#821B23#821B23

#821B23 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.1% C 0.137 H 22.3°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#821B23
RGB	rgb(130, 27, 35)
HSL	hsl(355, 66%, 31%)
HSV	hsv(355, 79%, 51%)
CMYK	cmyk(0%, 79.2%, 73.1%, 49%)
CIE-LAB	lab(28.52, 43.38, 22.62)
CIE-LCH	lch(28.52, 48.93, 27.54°)
OKLab	oklab(40.06% 0.1271 0.0521)
OKLCH	oklch(40.06% 0.137 22.3)
XYZ	xyz(9.9024, 5.6526, 2.1594)
Luminance	0.0565 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#821B23 #1B827A

analogous

#821B56 #821B23 #82461B

triadic

#821B23 #23821B #1B2382

tetradic

#821B23 #56821B #1B827A #461B82

square

#821B23 #56821B #1B827A #461B82

split-complementary

#821B23 #1B8246 #1B5682

monochromatic

#1D0608 #4F1015 #821B23 #B52631 #D7404C

Accessibility & contrast

On white

9.86

#821B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#821B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #821B23

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##821B23	#FFFFFF	#000000	##FFFFFF
##821B23	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3522

Deuteranopia (green-blind)

#544B20

Tritanopia (blue-blind)

#8F001F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #821b23;
/* rgb */ color: rgb(130, 27, 35);
/* oklch */ color: oklch(40.1% 0.137 22.3);

Tailwind

colors: {
  custom: {
    50: '#ae615d',
    500: '#821b23',
    950: '#000000',
  },
}

SCSS

$custom: #821b23;
$custom-light: #ae615d;
$custom-dark: #000000;

JSON

{
  "hex": "#821b23",
  "rgb": {
    "r": 130,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 355.34,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40062,
    "c": 0.13737,
    "h": 22.3
  },
  "luminance": 0.05651
}

Semantic roles & 50–950 ramp

primary

#821B23

secondary

#43B6AD

accent

#E9DB3F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #821B23

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

Preview Lab → · Contrast checker → · Palette generator →