#841B1F#841B1F

#841B1F is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.140 H 24.4°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#841B1F
RGB	rgb(132, 27, 31)
HSL	hsl(358, 66%, 31%)
HSV	hsv(358, 80%, 52%)
CMYK	cmyk(0%, 79.5%, 76.5%, 48.2%)
CIE-LAB	lab(28.88, 43.83, 25.69)
CIE-LCH	lch(28.88, 50.81, 30.37°)
OKLab	oklab(40.38% 0.1273 0.0578)
OKLCH	oklch(40.38% 0.14 24.4)
XYZ	xyz(10.1562, 5.7899, 1.8789)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#841B1F #1B8480

analogous

#841B53 #841B1F #844B1B

triadic

#841B1F #1F841B #1B1F84

tetradic

#841B1F #53841B #1B8480 #4B1B84

square

#841B1F #53841B #1B8480 #4B1B84

split-complementary

#841B1F #1B844B #1B5384

monochromatic

#1E0607 #511113 #841B1F #B7252B #D84147

Accessibility & contrast

On white

9.73

#841B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#841B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #841B1F

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##841B1F	#FFFFFF	#000000	##FFFFFF
##841B1F	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B361E

Deuteranopia (green-blind)

#554C1B

Tritanopia (blue-blind)

#92001E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #841b1f;
/* rgb */ color: rgb(132, 27, 31);
/* oklch */ color: oklch(40.4% 0.140 24.4);

Tailwind

colors: {
  custom: {
    50: '#b0625b',
    500: '#841b1f',
    950: '#000000',
  },
}

SCSS

$custom: #841b1f;
$custom-light: #b0625b;
$custom-dark: #000000;

JSON

{
  "hex": "#841b1f",
  "rgb": {
    "r": 132,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 357.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40383,
    "c": 0.13983,
    "h": 24.4
  },
  "luminance": 0.05788
}

Semantic roles & 50–950 ramp

primary

#841B1F

secondary

#43B7B3

accent

#E9E23F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #841B1F

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

Preview Lab → · Contrast checker → · Palette generator →