#9B1F37#9B1F37

#9B1F37 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.5% C 0.158 H 16.1°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#9B1F37
RGB	rgb(155, 31, 55)
HSL	hsl(348, 67%, 36%)
HSV	hsv(348, 80%, 61%)
CMYK	cmyk(0%, 80%, 64.5%, 39.2%)
CIE-LAB	lab(34.45, 50.92, 18.21)
CIE-LCH	lch(34.45, 54.08, 19.68°)
OKLab	oklab(45.49% 0.1522 0.0439)
OKLCH	oklch(45.49% 0.158 16.1)
XYZ	xyz(14.6987, 8.2266, 4.4276)
Luminance	0.0822 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9B1F37 #1F9B83

analogous

#9B1F75 #9B1F37 #9B451F

triadic

#9B1F37 #379B1F #1F379B

tetradic

#9B1F37 #759B1F #1F9B83 #451F9B

square

#9B1F37 #759B1F #1F9B83 #451F9B

split-complementary

#9B1F37 #1F9B45 #1F759B

monochromatic

#350B13 #681525 #9B1F37 #CE2949 #DD5771

Accessibility & contrast

On white

7.94

#9B1F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#9B1F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9B1F37

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9B1F37	#FFFFFF	#000000	##FFFFFF
##9B1F37	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434137

Deuteranopia (green-blind)

#635A34

Tritanopia (blue-blind)

#AA0029

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #9b1f37;
/* rgb */ color: rgb(155, 31, 55);
/* oklch */ color: oklch(45.5% 0.158 16.1);

Tailwind

colors: {
  custom: {
    50: '#c0686d',
    500: '#9b1f37',
    950: '#000000',
  },
}

SCSS

$custom: #9b1f37;
$custom-light: #c0686d;
$custom-dark: #000000;

JSON

{
  "hex": "#9b1f37",
  "rgb": {
    "r": 155,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 348.387,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45488,
    "c": 0.1584,
    "h": 16.1
  },
  "luminance": 0.08224
}

Semantic roles & 50–950 ramp

primary

#9B1F37

secondary

#55C1AC

accent

#EAC83E

background

#FCF6F6

surface

#F9EBEB

border

#D2C6C6

text

#140707

muted

#827A7A

Preview Lab

Preview with #9B1F37

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

Preview Lab → · Contrast checker → · Palette generator →