#841B21#841B21

#841B21 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.140 H 23.5°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#841B21
RGB	rgb(132, 27, 33)
HSL	hsl(357, 66%, 31%)
HSV	hsv(357, 80%, 52%)
CMYK	cmyk(0%, 79.5%, 75%, 48.2%)
CIE-LAB	lab(28.90, 43.92, 24.46)
CIE-LCH	lch(28.90, 50.27, 29.11°)
OKLab	oklab(40.41% 0.1281 0.0556)
OKLCH	oklch(40.41% 0.14 23.5)
XYZ	xyz(10.1833, 5.8008, 2.0220)
Luminance	0.0580 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#841B21 #1B847E

analogous

#841B55 #841B21 #84491B

triadic

#841B21 #21841B #1B2184

tetradic

#841B21 #55841B #1B847E #491B84

square

#841B21 #55841B #1B847E #491B84

split-complementary

#841B21 #1B8449 #1B5584

monochromatic

#1E0608 #511114 #841B21 #B7252E #D8414A

Accessibility & contrast

On white

9.72

#841B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#841B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #841B21

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##841B21	#FFFFFF	#000000	##FFFFFF
##841B21	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3620

Deuteranopia (green-blind)

#554C1D

Tritanopia (blue-blind)

#92001E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #841b21;
/* rgb */ color: rgb(132, 27, 33);
/* oklch */ color: oklch(40.4% 0.140 23.5);

Tailwind

colors: {
  custom: {
    50: '#af625c',
    500: '#841b21',
    950: '#000000',
  },
}

SCSS

$custom: #841b21;
$custom-light: #af625c;
$custom-dark: #000000;

JSON

{
  "hex": "#841b21",
  "rgb": {
    "r": 132,
    "g": 27,
    "b": 33
  },
  "hsl": {
    "h": 356.571,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40413,
    "c": 0.13963,
    "h": 23.5
  },
  "luminance": 0.05799
}

Semantic roles & 50–950 ramp

primary

#841B21

secondary

#43B7B1

accent

#E9DF3F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #841B21

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

Preview Lab → · Contrast checker → · Palette generator →