#9C1F33#9C1F33

#9C1F33 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.6% C 0.159 H 18.2°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#9C1F33
RGB	rgb(156, 31, 51)
HSL	hsl(350, 67%, 37%)
HSV	hsv(350, 80%, 61%)
CMYK	cmyk(0%, 80.1%, 67.3%, 38.8%)
CIE-LAB	lab(34.58, 50.98, 20.98)
CIE-LCH	lch(34.58, 55.13, 22.37°)
OKLab	oklab(45.59% 0.1514 0.0498)
OKLCH	oklch(45.59% 0.159 18.2)
XYZ	xyz(14.7995, 8.2892, 3.9520)
Luminance	0.0829 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9C1F33 #1F9C88

analogous

#9C1F72 #9C1F33 #9C4A1F

triadic

#9C1F33 #339C1F #1F339C

tetradic

#9C1F33 #729C1F #1F9C88 #4A1F9C

square

#9C1F33 #729C1F #1F9C88 #4A1F9C

split-complementary

#9C1F33 #1F9C4A #1F729C

monochromatic

#360B12 #691522 #9C1F33 #CF2944 #DE586D

Accessibility & contrast

On white

7.90

#9C1F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#9C1F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9C1F33

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9C1F33	#FFFFFF	#000000	##FFFFFF
##9C1F33	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444133

Deuteranopia (green-blind)

#645B2F

Tritanopia (blue-blind)

#AC0028

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #9c1f33;
/* rgb */ color: rgb(156, 31, 51);
/* oklch */ color: oklch(45.6% 0.159 18.2);

Tailwind

colors: {
  custom: {
    50: '#c1686a',
    500: '#9c1f33',
    950: '#000000',
  },
}

SCSS

$custom: #9c1f33;
$custom-light: #c1686a;
$custom-dark: #000000;

JSON

{
  "hex": "#9c1f33",
  "rgb": {
    "r": 156,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 350.4,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45594,
    "c": 0.15935,
    "h": 18.2
  },
  "luminance": 0.08287
}

Semantic roles & 50–950 ramp

primary

#9C1F33

secondary

#55C1B0

accent

#EACE3E

background

#FCF6F6

surface

#F9EBEB

border

#D2C6C6

text

#140706

muted

#827A7A

Preview Lab

Preview with #9C1F33

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

Preview Lab → · Contrast checker → · Palette generator →