#B6373B#B6373B

#B6373B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.163 H 23.1°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B6373B
RGB	rgb(182, 55, 59)
HSL	hsl(358, 54%, 46%)
HSV	hsv(358, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 67.6%, 28.6%)
CIE-LAB	lab(42.76, 51.15, 27.30)
CIE-LCH	lch(42.76, 57.98, 28.09°)
OKLab	oklab(52.63% 0.1501 0.064)
OKLCH	oklch(52.63% 0.163 23.1)
XYZ	xyz(21.4493, 12.9963, 5.5159)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6373B #37B6B2

analogous

#B6377B #B6373B #B67337

triadic

#B6373B #3BB637 #373BB6

tetradic

#B6373B #7BB637 #37B6B2 #7337B6

square

#B6373B #7BB637 #37B6B2 #7337B6

split-complementary

#B6373B #37B673 #377BB6

monochromatic

#581B1D #87292C #B6373B #CE5C60 #DC8B8E

Accessibility & contrast

On white

5.84

#B6373B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B6373B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6373B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6373B	#FFFFFF	#000000	##FFFFFF
##B6373B	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)

#5A543A

Deuteranopia (green-blind)

#7A6F37

Tritanopia (blue-blind)

#C8103A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b6373b;
/* rgb */ color: rgb(182, 55, 59);
/* oklch */ color: oklch(52.6% 0.163 23.1);

Tailwind

colors: {
  custom: {
    50: '#d37671',
    500: '#b6373b',
    950: '#000000',
  },
}

SCSS

$custom: #b6373b;
$custom-light: #d37671;
$custom-dark: #000000;

JSON

{
  "hex": "#b6373b",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 358.11,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52629,
    "c": 0.1632,
    "h": 23.1
  },
  "luminance": 0.12993
}

Semantic roles & 50–950 ramp

primary

#B6373B

secondary

#82C6C4

accent

#DDD84B

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6373B

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

Preview Lab → · Contrast checker → · Palette generator →