#911D1F#911D1F

#911D1F is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.151 H 25.6°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#911D1F
RGB	rgb(145, 29, 31)
HSL	hsl(359, 67%, 34%)
HSV	hsv(359, 80%, 57%)
CMYK	cmyk(0%, 80%, 78.6%, 43.1%)
CIE-LAB	lab(31.81, 47.29, 29.69)
CIE-LCH	lch(31.81, 55.84, 32.12°)
OKLab	oklab(43.04% 0.1366 0.0656)
OKLCH	oklch(43.04% 0.152 25.6)
XYZ	xyz(12.3652, 6.9994, 1.9960)
Luminance	0.0700 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911D1F #1D918F

analogous

#911D59 #911D1F #91551D

triadic

#911D1F #1F911D #1D1F91

tetradic

#911D1F #59911D #1D918F #551D91

square

#911D1F #59911D #1D918F #551D91

split-complementary

#911D1F #1D9155 #1D5991

monochromatic

#2B0909 #5E1314 #911D1F #C4272A #DB4D4F

Accessibility & contrast

On white

8.75

#911D1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#911D1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911D1F

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911D1F	#FFFFFF	#000000	##FFFFFF
##911D1F	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413B1E

Deuteranopia (green-blind)

#5E541A

Tritanopia (blue-blind)

#A0001F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #911d1f;
/* rgb */ color: rgb(145, 29, 31);
/* oklch */ color: oklch(43.0% 0.151 25.6);

Tailwind

colors: {
  custom: {
    50: '#ba655b',
    500: '#911d1f',
    950: '#000000',
  },
}

SCSS

$custom: #911d1f;
$custom-light: #ba655b;
$custom-dark: #000000;

JSON

{
  "hex": "#911d1f",
  "rgb": {
    "r": 145,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 358.966,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43041,
    "c": 0.1515,
    "h": 25.6
  },
  "luminance": 0.06997
}

Semantic roles & 50–950 ramp

primary

#911D1F

secondary

#4CBEBC

accent

#EAE73E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #911D1F

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

Preview Lab → · Contrast checker → · Palette generator →