#841B1B#841B1B

#841B1B is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.3% C 0.140 H 26.2°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#841B1B
RGB	rgb(132, 27, 27)
HSL	hsl(0, 66%, 31%)
HSV	hsv(0, 80%, 52%)
CMYK	cmyk(0%, 79.5%, 79.5%, 48.2%)
CIE-LAB	lab(28.82, 43.67, 28.11)
CIE-LCH	lch(28.82, 51.93, 32.77°)
OKLab	oklab(40.33% 0.1259 0.062)
OKLCH	oklch(40.33% 0.14 26.2)
XYZ	xyz(10.1067, 5.7701, 1.6183)
Luminance	0.0577 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#841B1B #1B8484

analogous

#841B4F #841B1B #844F1B

triadic

#841B1B #1B841B #1B1B84

tetradic

#841B1B #4F841B #1B8484 #4F1B84

square

#841B1B #4F841B #1B8484 #4F1B84

split-complementary

#841B1B #1B844F #1B4F84

monochromatic

#1E0606 #511111 #841B1B #B72525 #D84141

Accessibility & contrast

On white

9.75

#841B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#841B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #841B1B

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##841B1B	#FFFFFF	#000000	##FFFFFF
##841B1B	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B351A

Deuteranopia (green-blind)

#554C17

Tritanopia (blue-blind)

#92001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #841b1b;
/* rgb */ color: rgb(132, 27, 27);
/* oklch */ color: oklch(40.3% 0.140 26.2);

Tailwind

colors: {
  custom: {
    50: '#b06258',
    500: '#841b1b',
    950: '#000000',
  },
}

SCSS

$custom: #841b1b;
$custom-light: #b06258;
$custom-dark: #000000;

JSON

{
  "hex": "#841b1b",
  "rgb": {
    "r": 132,
    "g": 27,
    "b": 27
  },
  "hsl": {
    "h": 0,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40329,
    "c": 0.14031,
    "h": 26.2
  },
  "luminance": 0.05769
}

Semantic roles & 50–950 ramp

primary

#841B1B

secondary

#43B7B7

accent

#E9E93F

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #841B1B

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

Preview Lab → · Contrast checker → · Palette generator →