#911D21#911D21

#911D21 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.151 H 24.8°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#911D21
RGB	rgb(145, 29, 33)
HSL	hsl(358, 67%, 34%)
HSV	hsv(358, 80%, 57%)
CMYK	cmyk(0%, 80%, 77.2%, 43.1%)
CIE-LAB	lab(31.83, 47.37, 28.50)
CIE-LCH	lch(31.83, 55.28, 31.03°)
OKLab	oklab(43.07% 0.1373 0.0635)
OKLCH	oklch(43.07% 0.151 24.8)
XYZ	xyz(12.3924, 7.0102, 2.1392)
Luminance	0.0701 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911D21 #1D918D

analogous

#911D5B #911D21 #91531D

triadic

#911D21 #21911D #1D2191

tetradic

#911D21 #5B911D #1D918D #531D91

square

#911D21 #5B911D #1D918D #531D91

split-complementary

#911D21 #1D9153 #1D5B91

monochromatic

#2B090A #5E1315 #911D21 #C4272D #DB4D52

Accessibility & contrast

On white

8.74

#911D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#911D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911D21

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911D21	#FFFFFF	#000000	##FFFFFF
##911D21	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413B20

Deuteranopia (green-blind)

#5E541C

Tritanopia (blue-blind)

#A00020

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #911d21;
/* rgb */ color: rgb(145, 29, 33);
/* oklch */ color: oklch(43.1% 0.151 24.8);

Tailwind

colors: {
  custom: {
    50: '#ba655c',
    500: '#911d21',
    950: '#000000',
  },
}

SCSS

$custom: #911d21;
$custom-light: #ba655c;
$custom-dark: #000000;

JSON

{
  "hex": "#911d21",
  "rgb": {
    "r": 145,
    "g": 29,
    "b": 33
  },
  "hsl": {
    "h": 357.931,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43067,
    "c": 0.15126,
    "h": 24.8
  },
  "luminance": 0.07008
}

Semantic roles & 50–950 ramp

primary

#911D21

secondary

#4CBEBA

accent

#EAE43E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #911D21

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

Preview Lab → · Contrast checker → · Palette generator →