#91231C#91231C

#91231C is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.5% C 0.147 H 28.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#91231C
RGB	rgb(145, 35, 28)
HSL	hsl(4, 68%, 34%)
HSV	hsv(4, 81%, 57%)
CMYK	cmyk(0%, 75.9%, 80.7%, 43.1%)
CIE-LAB	lab(32.50, 45.16, 32.19)
CIE-LCH	lch(32.50, 55.45, 35.48°)
OKLab	oklab(43.55% 0.1292 0.0701)
OKLCH	oklch(43.55% 0.147 28.5)
XYZ	xyz(12.4892, 7.3076, 1.8513)
Luminance	0.0731 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91231C #1C8A91

analogous

#911C50 #91231C #915E1C

triadic

#91231C #1C9123 #231C91

tetradic

#91231C #50911C #1C8A91 #5E1C91

square

#91231C #50911C #1C8A91 #5E1C91

split-complementary

#91231C #1C915E #1C5091

monochromatic

#2A0A08 #5E1712 #91231C #C42F26 #DC544B

Accessibility & contrast

On white

8.53

#91231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#91231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #91231C

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91231C	#FFFFFF	#000000	##FFFFFF
##91231C	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D1A

Deuteranopia (green-blind)

#605517

Tritanopia (blue-blind)

#A00023

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #91231c;
/* rgb */ color: rgb(145, 35, 28);
/* oklch */ color: oklch(43.5% 0.147 28.5);

Tailwind

colors: {
  custom: {
    50: '#ba6759',
    500: '#91231c',
    950: '#000000',
  },
}

SCSS

$custom: #91231c;
$custom-light: #ba6759;
$custom-dark: #000000;

JSON

{
  "hex": "#91231c",
  "rgb": {
    "r": 145,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 3.59,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43545,
    "c": 0.14696,
    "h": 28.5
  },
  "luminance": 0.07306
}

Semantic roles & 50–950 ramp

primary

#91231C

secondary

#4AB7BE

accent

#E0EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #91231C

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

Preview Lab → · Contrast checker → · Palette generator →