#B9373B#B9373B

#B9373B is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.166 H 23.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B9373B
RGB	rgb(185, 55, 59)
HSL	hsl(358, 54%, 47%)
HSV	hsv(358, 70%, 73%)
CMYK	cmyk(0%, 70.3%, 68.1%, 27.5%)
CIE-LAB	lab(43.31, 52.12, 28.10)
CIE-LCH	lch(43.31, 59.21, 28.33°)
OKLab	oklab(53.14% 0.1528 0.0657)
OKLCH	oklch(53.14% 0.166 23.2)
XYZ	xyz(22.1656, 13.3657, 5.5495)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9373B #37B9B5

analogous

#B9377C #B9373B #B97437

triadic

#B9373B #3BB937 #373BB9

tetradic

#B9373B #7CB937 #37B9B5 #7437B9

square

#B9373B #7CB937 #37B9B5 #7437B9

split-complementary

#B9373B #37B974 #377CB9

monochromatic

#5B1B1D #8A292C #B9373B #CF5E62 #DD8D90

Accessibility & contrast

On white

5.72

#B9373B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B9373B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9373B

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9373B	#FFFFFF	#000000	##FFFFFF
##B9373B	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553A

Deuteranopia (green-blind)

#7C7137

Tritanopia (blue-blind)

#CB0D3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b9373b;
/* rgb */ color: rgb(185, 55, 59);
/* oklch */ color: oklch(53.1% 0.166 23.2);

Tailwind

colors: {
  custom: {
    50: '#d67671',
    500: '#b9373b',
    950: '#000000',
  },
}

SCSS

$custom: #b9373b;
$custom-light: #d67671;
$custom-dark: #000000;

JSON

{
  "hex": "#b9373b",
  "rgb": {
    "r": 185,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 358.154,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53142,
    "c": 0.16635,
    "h": 23.2
  },
  "luminance": 0.13362
}

Semantic roles & 50–950 ramp

primary

#B9373B

secondary

#84C8C6

accent

#DED94A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B9373B

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

Preview Lab → · Contrast checker → · Palette generator →