#911E1B#911E1B

#911E1B is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.151 H 27.4°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#911E1B
RGB	rgb(145, 30, 27)
HSL	hsl(2, 69%, 34%)
HSV	hsv(2, 81%, 57%)
CMYK	cmyk(0%, 79.3%, 81.4%, 43.1%)
CIE-LAB	lab(31.87, 46.83, 32.13)
CIE-LCH	lch(31.87, 56.79, 34.45°)
OKLab	oklab(43.08% 0.1342 0.0696)
OKLCH	oklch(43.08% 0.151 27.4)
XYZ	xyz(12.3407, 7.0294, 1.7437)
Luminance	0.0703 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911E1B #1B8E91

analogous

#911B53 #911E1B #91591B

triadic

#911E1B #1B911E #1E1B91

tetradic

#911E1B #53911B #1B8E91 #591B91

square

#911E1B #53911B #1B8E91 #591B91

split-complementary

#911E1B #1B9159 #1B5391

monochromatic

#2A0908 #5D1311 #911E1B #C52925 #DD4D49

Accessibility & contrast

On white

8.73

#911E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#911E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911E1B

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911E1B	#FFFFFF	#000000	##FFFFFF
##911E1B	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423B19

Deuteranopia (green-blind)

#5E5416

Tritanopia (blue-blind)

#A0001F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #911e1b;
/* rgb */ color: rgb(145, 30, 27);
/* oklch */ color: oklch(43.1% 0.151 27.4);

Tailwind

colors: {
  custom: {
    50: '#ba6558',
    500: '#911e1b',
    950: '#000000',
  },
}

SCSS

$custom: #911e1b;
$custom-light: #ba6558;
$custom-dark: #000000;

JSON

{
  "hex": "#911e1b",
  "rgb": {
    "r": 145,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 1.525,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.15121,
    "h": 27.4
  },
  "luminance": 0.07027
}

Semantic roles & 50–950 ramp

primary

#911E1B

secondary

#49BCBF

accent

#E7EB3C

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #911E1B

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

Preview Lab → · Contrast checker → · Palette generator →