#911F3A#911F3A

#911F3A is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.7% C 0.149 H 12.8°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#911F3A
RGB	rgb(145, 31, 58)
HSL	hsl(346, 65%, 35%)
HSV	hsv(346, 79%, 57%)
CMYK	cmyk(0%, 78.6%, 60%, 43.1%)
CIE-LAB	lab(32.50, 48.13, 13.30)
CIE-LCH	lch(32.50, 49.93, 15.45°)
OKLab	oklab(43.7% 0.1452 0.0329)
OKLCH	oklch(43.7% 0.149 12.8)
XYZ	xyz(12.9321, 7.3071, 4.7316)
Luminance	0.0731 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911F3A #1F9176

analogous

#911F73 #911F3A #913D1F

triadic

#911F3A #3A911F #1F3A91

tetradic

#911F3A #73911F #1F9176 #3D1F91

square

#911F3A #73911F #1F9176 #3D1F91

split-complementary

#911F3A #1F913D #1F7391

monochromatic

#2C0912 #5F1426 #911F3A #C32A4E #DA5171

Accessibility & contrast

On white

8.53

#911F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#911F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911F3A

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911F3A	#FFFFFF	#000000	##FFFFFF
##911F3A	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)

#3E3D3A

Deuteranopia (green-blind)

#5C5537

Tritanopia (blue-blind)

#9F002B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #911f3a;
/* rgb */ color: rgb(145, 31, 58);
/* oklch */ color: oklch(43.7% 0.149 12.8);

Tailwind

colors: {
  custom: {
    50: '#b8666f',
    500: '#911f3a',
    950: '#000000',
  },
}

SCSS

$custom: #911f3a;
$custom-light: #b8666f;
$custom-dark: #000000;

JSON

{
  "hex": "#911f3a",
  "rgb": {
    "r": 145,
    "g": 31,
    "b": 58
  },
  "hsl": {
    "h": 345.789,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43702,
    "c": 0.14885,
    "h": 12.8
  },
  "luminance": 0.07305
}

Semantic roles & 50–950 ramp

primary

#911F3A

secondary

#4FBDA3

accent

#E8C040

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#130607

muted

#827A7A

Preview Lab

Preview with #911F3A

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

Preview Lab → · Contrast checker → · Palette generator →