#91311D#91311D

#91311D is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.1% C 0.134 H 33.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#91311D
RGB	rgb(145, 49, 29)
HSL	hsl(10, 67%, 34%)
HSV	hsv(10, 80%, 57%)
CMYK	cmyk(0%, 66.2%, 80%, 43.1%)
CIE-LAB	lab(34.61, 39.44, 33.79)
CIE-LCH	lch(34.61, 51.94, 40.59°)
OKLab	oklab(45.13% 0.1116 0.0739)
OKLCH	oklch(45.13% 0.134 33.5)
XYZ	xyz(12.9986, 8.3070, 2.0811)
Luminance	0.0830 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91311D #1D7D91

analogous

#911D43 #91311D #916B1D

triadic

#91311D #1D9131 #311D91

tetradic

#91311D #43911D #1D7D91 #6B1D91

square

#91311D #43911D #1D7D91 #6B1D91

split-complementary

#91311D #1D916B #1D4391

monochromatic

#2B0F09 #5E2013 #91311D #C44227 #DB664D

Accessibility & contrast

On white

7.89

#91311D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#91311D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #91311D

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91311D	#FFFFFF	#000000	##FFFFFF
##91311D	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441A

Deuteranopia (green-blind)

#645919

Tritanopia (blue-blind)

#A0162D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #91311d;
/* rgb */ color: rgb(145, 49, 29);
/* oklch */ color: oklch(45.1% 0.134 33.5);

Tailwind

colors: {
  custom: {
    50: '#b96e5a',
    500: '#91311d',
    950: '#000000',
  },
}

SCSS

$custom: #91311d;
$custom-light: #b96e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#91311d",
  "rgb": {
    "r": 145,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 10.345,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.45134,
    "c": 0.1338,
    "h": 33.5
  },
  "luminance": 0.08305
}

Semantic roles & 50–950 ramp

primary

#91311D

secondary

#4CAABE

accent

#CCEA3E

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#130704

muted

#827A79

Preview Lab

Preview with #91311D

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

Preview Lab → · Contrast checker → · Palette generator →