#B3372D#B3372D

#B3372D is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.162 H 28.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B3372D
RGB	rgb(179, 55, 45)
HSL	hsl(4, 60%, 44%)
HSV	hsv(4, 75%, 70%)
CMYK	cmyk(0%, 69.3%, 74.9%, 29.8%)
CIE-LAB	lab(42.01, 49.47, 34.55)
CIE-LCH	lch(42.01, 60.34, 34.93°)
OKLab	oklab(51.91% 0.1422 0.0774)
OKLCH	oklch(51.91% 0.162 28.6)
XYZ	xyz(20.4325, 12.5086, 3.8206)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3372D #2DA9B3

analogous

#B32D66 #B3372D #B37A2D

triadic

#B3372D #2DB337 #372DB3

tetradic

#B3372D #66B32D #2DA9B3 #7A2DB3

square

#B3372D #66B32D #2DA9B3 #7A2DB3

split-complementary

#B3372D #2DB37A #2D66B3

monochromatic

#511914 #822821 #B3372D #D2554B #DE847C

Accessibility & contrast

On white

6.00

#B3372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B3372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3372D

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3372D	#FFFFFF	#000000	##FFFFFF
##B3372D	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B522B

Deuteranopia (green-blind)

#796D29

Tritanopia (blue-blind)

#C50D36

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3372d;
/* rgb */ color: rgb(179, 55, 45);
/* oklch */ color: oklch(51.9% 0.162 28.6);

Tailwind

colors: {
  custom: {
    50: '#d27566',
    500: '#b3372d',
    950: '#000000',
  },
}

SCSS

$custom: #b3372d;
$custom-light: #d27566;
$custom-dark: #000000;

JSON

{
  "hex": "#b3372d",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 4.478,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51909,
    "c": 0.16196,
    "h": 28.6
  },
  "luminance": 0.12506
}

Semantic roles & 50–950 ramp

primary

#B3372D

secondary

#75C0C7

accent

#D7E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B3372D

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

Preview Lab → · Contrast checker → · Palette generator →