#821B28#821B28

#821B28 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.137 H 19.6°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#821B28
RGB	rgb(130, 27, 40)
HSL	hsl(352, 66%, 31%)
HSV	hsv(352, 79%, 51%)
CMYK	cmyk(0%, 79.2%, 69.2%, 49%)
CIE-LAB	lab(28.60, 43.65, 19.46)
CIE-LCH	lch(28.60, 47.79, 24.03°)
OKLab	oklab(40.15% 0.1291 0.0459)
OKLCH	oklch(40.15% 0.137 19.6)
XYZ	xyz(9.9820, 5.6844, 2.5787)
Luminance	0.0568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#821B28 #1B8275

analogous

#821B5B #821B28 #82411B

triadic

#821B28 #28821B #1B2882

tetradic

#821B28 #5B821B #1B8275 #411B82

square

#821B28 #5B821B #1B8275 #411B82

split-complementary

#821B28 #1B8241 #1B5B82

monochromatic

#1D0609 #4F1018 #821B28 #B52638 #D74053

Accessibility & contrast

On white

9.83

#821B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#821B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #821B28

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##821B28	#FFFFFF	#000000	##FFFFFF
##821B28	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393628

Deuteranopia (green-blind)

#534B25

Tritanopia (blue-blind)

#8F0021

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #821b28;
/* rgb */ color: rgb(130, 27, 40);
/* oklch */ color: oklch(40.2% 0.137 19.6);

Tailwind

colors: {
  custom: {
    50: '#ad6261',
    500: '#821b28',
    950: '#000000',
  },
}

SCSS

$custom: #821b28;
$custom-light: #ad6261;
$custom-dark: #000000;

JSON

{
  "hex": "#821b28",
  "rgb": {
    "r": 130,
    "g": 27,
    "b": 40
  },
  "hsl": {
    "h": 352.427,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40151,
    "c": 0.13705,
    "h": 19.6
  },
  "luminance": 0.05683
}

Semantic roles & 50–950 ramp

primary

#821B28

secondary

#43B6A7

accent

#E9D33F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120505

muted

#817A79

Preview Lab

Preview with #821B28

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

Preview Lab → · Contrast checker → · Palette generator →