#911F3B#911F3B

#911F3B is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.7% C 0.149 H 12.2°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#911F3B
RGB	rgb(145, 31, 59)
HSL	hsl(345, 65%, 35%)
HSV	hsv(345, 79%, 57%)
CMYK	cmyk(0%, 78.6%, 59.3%, 43.1%)
CIE-LAB	lab(32.52, 48.20, 12.67)
CIE-LCH	lch(32.52, 49.84, 14.73°)
OKLab	oklab(43.73% 0.1456 0.0315)
OKLCH	oklch(43.73% 0.149 12.2)
XYZ	xyz(12.9577, 7.3174, 4.8669)
Luminance	0.0732 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#911F3B #1F9175

analogous

#911F74 #911F3B #913C1F

triadic

#911F3B #3B911F #1F3B91

tetradic

#911F3B #74911F #1F9175 #3C1F91

square

#911F3B #74911F #1F9175 #3C1F91

split-complementary

#911F3B #1F913C #1F7491

monochromatic

#2C0912 #5F1426 #911F3B #C32A50 #DA5172

Accessibility & contrast

On white

8.53

#911F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#911F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #911F3B

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##911F3B	#FFFFFF	#000000	##FFFFFF
##911F3B	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)

#3E3E3B

Deuteranopia (green-blind)

#5C5538

Tritanopia (blue-blind)

#9F002B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #911f3b;
/* rgb */ color: rgb(145, 31, 59);
/* oklch */ color: oklch(43.7% 0.149 12.2);

Tailwind

colors: {
  custom: {
    50: '#b86670',
    500: '#911f3b',
    950: '#000000',
  },
}

SCSS

$custom: #911f3b;
$custom-light: #b86670;
$custom-dark: #000000;

JSON

{
  "hex": "#911f3b",
  "rgb": {
    "r": 145,
    "g": 31,
    "b": 59
  },
  "hsl": {
    "h": 345.263,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43726,
    "c": 0.14894,
    "h": 12.2
  },
  "luminance": 0.07315
}

Semantic roles & 50–950 ramp

primary

#911F3B

secondary

#4FBDA2

accent

#E8BF40

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#130607

muted

#827A7A

Preview Lab

Preview with #911F3B

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

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