#B0372D#B0372D

#B0372D is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.4% C 0.159 H 28.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B0372D
RGB	rgb(176, 55, 45)
HSL	hsl(5, 59%, 43%)
HSV	hsv(5, 74%, 69%)
CMYK	cmyk(0%, 68.8%, 74.4%, 31%)
CIE-LAB	lab(41.46, 48.46, 33.78)
CIE-LCH	lch(41.46, 59.07, 34.88°)
OKLab	oklab(51.39% 0.1394 0.076)
OKLCH	oklch(51.39% 0.159 28.6)
XYZ	xyz(19.7465, 12.1549, 3.7885)
Luminance	0.1215 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0372D #2DA6B0

analogous

#B02D64 #B0372D #B0782D

triadic

#B0372D #2DB037 #372DB0

tetradic

#B0372D #64B02D #2DA6B0 #782DB0

square

#B0372D #64B02D #2DA6B0 #782DB0

split-complementary

#B0372D #2DB078 #2D64B0

monochromatic

#4F1914 #7F2821 #B0372D #D1544A #DD827A

Accessibility & contrast

On white

6.12

#B0372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B0372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0372D

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0372D	#FFFFFF	#000000	##FFFFFF
##B0372D	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)

#59512B

Deuteranopia (green-blind)

#786C29

Tritanopia (blue-blind)

#C21136

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b0372d;
/* rgb */ color: rgb(176, 55, 45);
/* oklch */ color: oklch(51.4% 0.159 28.6);

Tailwind

colors: {
  custom: {
    50: '#d07566',
    500: '#b0372d',
    950: '#000000',
  },
}

SCSS

$custom: #b0372d;
$custom-light: #d07566;
$custom-dark: #000000;

JSON

{
  "hex": "#b0372d",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 4.58,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51394,
    "c": 0.15878,
    "h": 28.6
  },
  "luminance": 0.12152
}

Semantic roles & 50–950 ramp

primary

#B0372D

secondary

#73BFC5

accent

#D6E245

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B0372D

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

Preview Lab → · Contrast checker → · Palette generator →