#891B1F#891B1F

#891B1F is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.3% C 0.145 H 24.7°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#891B1F
RGB	rgb(137, 27, 31)
HSL	hsl(358, 67%, 32%)
HSV	hsv(358, 80%, 54%)
CMYK	cmyk(0%, 80.3%, 77.4%, 46.3%)
CIE-LAB	lab(29.92, 45.42, 27.15)
CIE-LCH	lch(29.92, 52.91, 30.87°)
OKLab	oklab(41.34% 0.1317 0.0606)
OKLCH	oklch(41.34% 0.145 24.7)
XYZ	xyz(10.9571, 6.2029, 1.9164)
Luminance	0.0620 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#891B1F #1B8985

analogous

#891B56 #891B1F #894E1B

triadic

#891B1F #1F891B #1B1F89

tetradic

#891B1F #56891B #1B8985 #4E1B89

square

#891B1F #56891B #1B8985 #4E1B89

split-complementary

#891B1F #1B894E #1B5689

monochromatic

#230708 #561113 #891B1F #BC252B #DA444A

Accessibility & contrast

On white

9.37

#891B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#891B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #891B1F

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##891B1F	#FFFFFF	#000000	##FFFFFF
##891B1F	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371E

Deuteranopia (green-blind)

#584F1B

Tritanopia (blue-blind)

#97001E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #891b1f;
/* rgb */ color: rgb(137, 27, 31);
/* oklch */ color: oklch(41.3% 0.145 24.7);

Tailwind

colors: {
  custom: {
    50: '#b4625b',
    500: '#891b1f',
    950: '#000000',
  },
}

SCSS

$custom: #891b1f;
$custom-light: #b4625b;
$custom-dark: #000000;

JSON

{
  "hex": "#891b1f",
  "rgb": {
    "r": 137,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 357.818,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41344,
    "c": 0.14497,
    "h": 24.7
  },
  "luminance": 0.06201
}

Semantic roles & 50–950 ramp

primary

#891B1F

secondary

#44BCB7

accent

#EAE43E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #891B1F

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

Preview Lab → · Contrast checker → · Palette generator →