#B0372A#B0372A

#B0372A is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.159 H 29.7°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B0372A
RGB	rgb(176, 55, 42)
HSL	hsl(6, 61%, 43%)
HSV	hsv(6, 76%, 69%)
CMYK	cmyk(0%, 68.8%, 76.1%, 31%)
CIE-LAB	lab(41.43, 48.33, 35.45)
CIE-LCH	lch(41.43, 59.94, 36.26°)
OKLab	oklab(51.36% 0.1384 0.0789)
OKLCH	oklch(51.36% 0.159 29.7)
XYZ	xyz(19.6908, 12.1326, 3.4950)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0372A #2AA3B0

analogous

#B02A60 #B0372A #B07A2A

triadic

#B0372A #2AB037 #372AB0

tetradic

#B0372A #60B02A #2AA3B0 #7A2AB0

square

#B0372A #60B02A #2AA3B0 #7A2AB0

split-complementary

#B0372A #2AB07A #2A60B0

monochromatic

#4D1812 #7F281E #B0372A #D35245 #DE8076

Accessibility & contrast

On white

6.13

#B0372A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B0372A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0372A

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0372A	#FFFFFF	#000000	##FFFFFF
##B0372A	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5128

Deuteranopia (green-blind)

#786B26

Tritanopia (blue-blind)

#C20F35

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b0372a;
/* rgb */ color: rgb(176, 55, 42);
/* oklch */ color: oklch(51.4% 0.159 29.7);

Tailwind

colors: {
  custom: {
    50: '#d07564',
    500: '#b0372a',
    950: '#000000',
  },
}

SCSS

$custom: #b0372a;
$custom-light: #d07564;
$custom-dark: #000000;

JSON

{
  "hex": "#b0372a",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 5.821,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51356,
    "c": 0.1593,
    "h": 29.7
  },
  "luminance": 0.1213
}

Semantic roles & 50–950 ramp

primary

#B0372A

secondary

#70BEC6

accent

#D5E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B0372A

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

Preview Lab → · Contrast checker → · Palette generator →