#B9373F#B9373F

#B9373F is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.166 H 21.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B9373F
RGB	rgb(185, 55, 63)
HSL	hsl(356, 54%, 47%)
HSV	hsv(356, 70%, 73%)
CMYK	cmyk(0%, 70.3%, 65.9%, 27.5%)
CIE-LAB	lab(43.37, 52.34, 25.77)
CIE-LCH	lch(43.37, 58.34, 26.21°)
OKLab	oklab(53.21% 0.1544 0.061)
OKLCH	oklch(53.21% 0.166 21.6)
XYZ	xyz(22.2733, 13.4088, 6.1170)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9373F #37B9B1

analogous

#B93780 #B9373F #B97037

triadic

#B9373F #3FB937 #373FB9

tetradic

#B9373F #80B937 #37B9B1 #7037B9

square

#B9373F #80B937 #37B9B1 #7037B9

split-complementary

#B9373F #37B970 #3780B9

monochromatic

#5B1B1F #8A292F #B9373F #CF5E65 #DD8D92

Accessibility & contrast

On white

5.70

#B9373F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B9373F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9373F

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9373F	#FFFFFF	#000000	##FFFFFF
##B9373F	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553E

Deuteranopia (green-blind)

#7B713B

Tritanopia (blue-blind)

#CB0F3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b9373f;
/* rgb */ color: rgb(185, 55, 63);
/* oklch */ color: oklch(53.2% 0.166 21.6);

Tailwind

colors: {
  custom: {
    50: '#d57674',
    500: '#b9373f',
    950: '#000000',
  },
}

SCSS

$custom: #b9373f;
$custom-light: #d57674;
$custom-dark: #000000;

JSON

{
  "hex": "#b9373f",
  "rgb": {
    "r": 185,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 356.308,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5321,
    "c": 0.16599,
    "h": 21.6
  },
  "luminance": 0.13406
}

Semantic roles & 50–950 ramp

primary

#B9373F

secondary

#84C8C4

accent

#DED44A

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B9373F

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

Preview Lab → · Contrast checker → · Palette generator →