#911F37#911F37

#911F37 is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.6% C 0.149 H 14.5°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#911F37
RGB	rgb(145, 31, 55)
HSL	hsl(347, 65%, 35%)
HSV	hsv(347, 79%, 57%)
CMYK	cmyk(0%, 78.6%, 62.1%, 43.1%)
CIE-LAB	lab(32.43, 47.92, 15.18)
CIE-LCH	lch(32.43, 50.27, 17.57°)
OKLab	oklab(43.63% 0.1439 0.0372)
OKLCH	oklch(43.63% 0.149 14.5)
XYZ	xyz(12.8580, 7.2775, 4.3413)
Luminance	0.0728 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911F37 #1F9179

analogous

#911F70 #911F37 #91401F

triadic

#911F37 #37911F #1F3791

tetradic

#911F37 #70911F #1F9179 #401F91

square

#911F37 #70911F #1F9179 #401F91

split-complementary

#911F37 #1F9140 #1F7091

monochromatic

#2C0911 #5F1424 #911F37 #C32A4A #DA516E

Accessibility & contrast

On white

8.55

#911F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#911F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911F37

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911F37	#FFFFFF	#000000	##FFFFFF
##911F37	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3D37

Deuteranopia (green-blind)

#5C5534

Tritanopia (blue-blind)

#9F0029

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #911f37;
/* rgb */ color: rgb(145, 31, 55);
/* oklch */ color: oklch(43.6% 0.149 14.5);

Tailwind

colors: {
  custom: {
    50: '#b8666d',
    500: '#911f37',
    950: '#000000',
  },
}

SCSS

$custom: #911f37;
$custom-light: #b8666d;
$custom-dark: #000000;

JSON

{
  "hex": "#911f37",
  "rgb": {
    "r": 145,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 347.368,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43632,
    "c": 0.14864,
    "h": 14.5
  },
  "luminance": 0.07276
}

Semantic roles & 50–950 ramp

primary

#911F37

secondary

#4FBDA6

accent

#E8C440

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130607

muted

#827A7A

Preview Lab

Preview with #911F37

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

Preview Lab → · Contrast checker → · Palette generator →