#B0372F#B0372F

#B0372F is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.4% C 0.158 H 27.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B0372F
RGB	rgb(176, 55, 47)
HSL	hsl(4, 58%, 44%)
HSV	hsv(4, 73%, 69%)
CMYK	cmyk(0%, 68.8%, 73.3%, 31%)
CIE-LAB	lab(41.49, 48.55, 32.65)
CIE-LCH	lch(41.49, 58.50, 33.92°)
OKLab	oklab(51.42% 0.1401 0.0739)
OKLCH	oklch(51.42% 0.158 27.8)
XYZ	xyz(19.7860, 12.1706, 3.9961)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0372F #2FA8B0

analogous

#B02F67 #B0372F #B0772F

triadic

#B0372F #2FB037 #372FB0

tetradic

#B0372F #67B02F #2FA8B0 #772FB0

square

#B0372F #67B02F #2FA8B0 #772FB0

split-complementary

#B0372F #2FB077 #2F67B0

monochromatic

#4F1915 #802822 #B0372F #CF554D #DC837D

Accessibility & contrast

On white

6.12

#B0372F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B0372F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0372F

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0372F	#FFFFFF	#000000	##FFFFFF
##B0372F	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512D

Deuteranopia (green-blind)

#776C2B

Tritanopia (blue-blind)

#C21136

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b0372f;
/* rgb */ color: rgb(176, 55, 47);
/* oklch */ color: oklch(51.4% 0.158 27.8);

Tailwind

colors: {
  custom: {
    50: '#cf7568',
    500: '#b0372f',
    950: '#000000',
  },
}

SCSS

$custom: #b0372f;
$custom-light: #cf7568;
$custom-dark: #000000;

JSON

{
  "hex": "#b0372f",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 3.721,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5142,
    "c": 0.15845,
    "h": 27.8
  },
  "luminance": 0.12168
}

Semantic roles & 50–950 ramp

primary

#B0372F

secondary

#76C0C5

accent

#D8E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B0372F

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

Preview Lab → · Contrast checker → · Palette generator →