#91311F#91311F

#91311F is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.2% C 0.133 H 32.7°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#91311F
RGB	rgb(145, 49, 31)
HSL	hsl(9, 65%, 35%)
HSV	hsv(9, 79%, 57%)
CMYK	cmyk(0%, 66.2%, 78.6%, 43.1%)
CIE-LAB	lab(34.63, 39.52, 32.70)
CIE-LCH	lch(34.63, 51.29, 39.60°)
OKLab	oklab(45.16% 0.1122 0.0721)
OKLCH	oklch(45.16% 0.133 32.7)
XYZ	xyz(13.0241, 8.3172, 2.2156)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91311F #1F7F91

analogous

#911F46 #91311F #916A1F

triadic

#91311F #1F9131 #311F91

tetradic

#91311F #46911F #1F7F91 #6A1F91

square

#91311F #46911F #1F7F91 #6A1F91

split-complementary

#91311F #1F916A #1F4691

monochromatic

#2C0F09 #5F2014 #91311F #C3422A #DA6651

Accessibility & contrast

On white

7.89

#91311F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#91311F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #91311F

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91311F	#FFFFFF	#000000	##FFFFFF
##91311F	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)

#4C441C

Deuteranopia (green-blind)

#64591B

Tritanopia (blue-blind)

#A0172D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #91311f;
/* rgb */ color: rgb(145, 49, 31);
/* oklch */ color: oklch(45.2% 0.133 32.7);

Tailwind

colors: {
  custom: {
    50: '#b96e5c',
    500: '#91311f',
    950: '#000000',
  },
}

SCSS

$custom: #91311f;
$custom-light: #b96e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#91311f",
  "rgb": {
    "r": 145,
    "g": 49,
    "b": 31
  },
  "hsl": {
    "h": 9.474,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.45156,
    "c": 0.13337,
    "h": 32.7
  },
  "luminance": 0.08315
}

Semantic roles & 50–950 ramp

primary

#91311F

secondary

#4FABBD

accent

#CDE840

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#130704

muted

#827A79

Preview Lab

Preview with #91311F

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

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