#B6373A#B6373A

#B6373A is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.163 H 23.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B6373A
RGB	rgb(182, 55, 58)
HSL	hsl(359, 54%, 46%)
HSV	hsv(359, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 68.1%, 28.6%)
CIE-LAB	lab(42.74, 51.09, 27.89)
CIE-LCH	lch(42.74, 58.21, 28.63°)
OKLab	oklab(52.61% 0.1498 0.0652)
OKLCH	oklch(52.61% 0.163 23.5)
XYZ	xyz(21.4236, 12.9861, 5.3806)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6373A #37B6B3

analogous

#B6377A #B6373A #B67437

triadic

#B6373A #3AB637 #373AB6

tetradic

#B6373A #7AB637 #37B6B3 #7437B6

square

#B6373A #7AB637 #37B6B3 #7437B6

split-complementary

#B6373A #37B674 #377AB6

monochromatic

#581B1C #87292B #B6373A #CE5C5F #DC8B8D

Accessibility & contrast

On white

5.84

#B6373A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B6373A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6373A

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6373A	#FFFFFF	#000000	##FFFFFF
##B6373A	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5439

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#C81039

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b6373a;
/* rgb */ color: rgb(182, 55, 58);
/* oklch */ color: oklch(52.6% 0.163 23.5);

Tailwind

colors: {
  custom: {
    50: '#d37670',
    500: '#b6373a',
    950: '#000000',
  },
}

SCSS

$custom: #b6373a;
$custom-light: #d37670;
$custom-dark: #000000;

JSON

{
  "hex": "#b6373a",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 58
  },
  "hsl": {
    "h": 358.583,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52612,
    "c": 0.16331,
    "h": 23.5
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#B6373A

secondary

#82C6C5

accent

#DDDA4B

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6373A

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

Preview Lab → · Contrast checker → · Palette generator →