#911C23#911C23

#911C23 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.152 H 23.7°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#911C23
RGB	rgb(145, 28, 35)
HSL	hsl(356, 68%, 34%)
HSV	hsv(356, 81%, 57%)
CMYK	cmyk(0%, 80.7%, 75.9%, 43.1%)
CIE-LAB	lab(31.75, 47.76, 27.17)
CIE-LCH	lch(31.75, 54.95, 29.63°)
OKLab	oklab(43.01% 0.139 0.0612)
OKLCH	oklch(43.01% 0.152 23.7)
XYZ	xyz(12.3971, 6.9736, 2.2831)
Luminance	0.0697 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911C23 #1C918A

analogous

#911C5E #911C23 #91501C

triadic

#911C23 #23911C #1C2391

tetradic

#911C23 #5E911C #1C918A #501C91

square

#911C23 #5E911C #1C918A #501C91

split-complementary

#911C23 #1C9150 #1C5E91

monochromatic

#2A080A #5E1217 #911C23 #C4262F #DC4B54

Accessibility & contrast

On white

8.77

#911C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#911C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911C23

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911C23	#FFFFFF	#000000	##FFFFFF
##911C23	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403B22

Deuteranopia (green-blind)

#5D541F

Tritanopia (blue-blind)

#A00020

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #911c23;
/* rgb */ color: rgb(145, 28, 35);
/* oklch */ color: oklch(43.0% 0.152 23.7);

Tailwind

colors: {
  custom: {
    50: '#b9645e',
    500: '#911c23',
    950: '#000000',
  },
}

SCSS

$custom: #911c23;
$custom-light: #b9645e;
$custom-dark: #000000;

JSON

{
  "hex": "#911c23",
  "rgb": {
    "r": 145,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 356.41,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43013,
    "c": 0.15184,
    "h": 23.7
  },
  "luminance": 0.06972
}

Semantic roles & 50–950 ramp

primary

#911C23

secondary

#4ABEB7

accent

#EBE03D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #911C23

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

Preview Lab → · Contrast checker → · Palette generator →