#911C21#911C21

#911C21 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.152 H 24.6°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#911C21
RGB	rgb(145, 28, 33)
HSL	hsl(357, 68%, 34%)
HSV	hsv(357, 81%, 57%)
CMYK	cmyk(0%, 80.7%, 77.2%, 43.1%)
CIE-LAB	lab(31.72, 47.68, 28.38)
CIE-LCH	lch(31.72, 55.49, 30.76°)
OKLab	oklab(42.99% 0.1383 0.0633)
OKLCH	oklch(42.99% 0.152 24.6)
XYZ	xyz(12.3683, 6.9620, 2.1311)
Luminance	0.0696 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911C21 #1C918C

analogous

#911C5C #911C21 #91521C

triadic

#911C21 #21911C #1C2191

tetradic

#911C21 #5C911C #1C918C #521C91

square

#911C21 #5C911C #1C918C #521C91

split-complementary

#911C21 #1C9152 #1C5C91

monochromatic

#2A080A #5E1215 #911C21 #C4262D #DC4B51

Accessibility & contrast

On white

8.78

#911C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#911C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911C21

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911C21	#FFFFFF	#000000	##FFFFFF
##911C21	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413B20

Deuteranopia (green-blind)

#5D541C

Tritanopia (blue-blind)

#A0001F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #911c21;
/* rgb */ color: rgb(145, 28, 33);
/* oklch */ color: oklch(43.0% 0.152 24.6);

Tailwind

colors: {
  custom: {
    50: '#ba645c',
    500: '#911c21',
    950: '#000000',
  },
}

SCSS

$custom: #911c21;
$custom-light: #ba645c;
$custom-dark: #000000;

JSON

{
  "hex": "#911c21",
  "rgb": {
    "r": 145,
    "g": 28,
    "b": 33
  },
  "hsl": {
    "h": 357.436,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42985,
    "c": 0.15204,
    "h": 24.6
  },
  "luminance": 0.0696
}

Semantic roles & 50–950 ramp

primary

#911C21

secondary

#4ABEB9

accent

#EBE33D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #911C21

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

Preview Lab → · Contrast checker → · Palette generator →