#821B24#821B24

#821B24 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.1% C 0.137 H 21.7°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#821B24
RGB	rgb(130, 27, 36)
HSL	hsl(355, 66%, 31%)
HSV	hsv(355, 79%, 51%)
CMYK	cmyk(0%, 79.2%, 72.3%, 49%)
CIE-LAB	lab(28.53, 43.43, 21.99)
CIE-LCH	lch(28.53, 48.68, 26.86°)
OKLab	oklab(40.08% 0.1275 0.0509)
OKLCH	oklch(40.08% 0.137 21.7)
XYZ	xyz(9.9174, 5.6586, 2.2387)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#821B24 #1B8279

analogous

#821B57 #821B24 #82451B

triadic

#821B24 #24821B #1B2482

tetradic

#821B24 #57821B #1B8279 #451B82

square

#821B24 #57821B #1B8279 #451B82

split-complementary

#821B24 #1B8245 #1B5782

monochromatic

#1D0608 #4F1016 #821B24 #B52632 #D7404D

Accessibility & contrast

On white

9.85

#821B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#821B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #821B24

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##821B24	#FFFFFF	#000000	##FFFFFF
##821B24	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3523

Deuteranopia (green-blind)

#534B21

Tritanopia (blue-blind)

#8F001F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #821b24;
/* rgb */ color: rgb(130, 27, 36);
/* oklch */ color: oklch(40.1% 0.137 21.7);

Tailwind

colors: {
  custom: {
    50: '#ae615e',
    500: '#821b24',
    950: '#000000',
  },
}

SCSS

$custom: #821b24;
$custom-light: #ae615e;
$custom-dark: #000000;

JSON

{
  "hex": "#821b24",
  "rgb": {
    "r": 130,
    "g": 27,
    "b": 36
  },
  "hsl": {
    "h": 354.757,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40079,
    "c": 0.13728,
    "h": 21.7
  },
  "luminance": 0.05657
}

Semantic roles & 50–950 ramp

primary

#821B24

secondary

#43B6AC

accent

#E9DA3F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #821B24

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

Preview Lab → · Contrast checker → · Palette generator →