#B3372E#B3372E

#B3372E is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.162 H 28.2°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B3372E
RGB	rgb(179, 55, 46)
HSL	hsl(4, 59%, 44%)
HSV	hsv(4, 74%, 70%)
CMYK	cmyk(0%, 69.3%, 74.3%, 29.8%)
CIE-LAB	lab(42.03, 49.51, 33.99)
CIE-LCH	lch(42.03, 60.05, 34.47°)
OKLab	oklab(51.92% 0.1426 0.0765)
OKLCH	oklch(51.92% 0.162 28.2)
XYZ	xyz(20.4520, 12.5164, 3.9232)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3372E #2EAAB3

analogous

#B32E68 #B3372E #B37A2E

triadic

#B3372E #2EB337 #372EB3

tetradic

#B3372E #68B32E #2EAAB3 #7A2EB3

square

#B3372E #68B32E #2EAAB3 #7A2EB3

split-complementary

#B3372E #2EB37A #2E68B3

monochromatic

#521915 #822821 #B3372E #D1564D #DE847E

Accessibility & contrast

On white

6.00

#B3372E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B3372E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3372E

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3372E	#FFFFFF	#000000	##FFFFFF
##B3372E	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)

#5A522C

Deuteranopia (green-blind)

#796D2A

Tritanopia (blue-blind)

#C50E36

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3372e;
/* rgb */ color: rgb(179, 55, 46);
/* oklch */ color: oklch(51.9% 0.162 28.2);

Tailwind

colors: {
  custom: {
    50: '#d27567',
    500: '#b3372e',
    950: '#000000',
  },
}

SCSS

$custom: #b3372e;
$custom-light: #d27567;
$custom-dark: #000000;

JSON

{
  "hex": "#b3372e",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 46
  },
  "hsl": {
    "h": 4.06,
    "s": 59.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51922,
    "c": 0.1618,
    "h": 28.2
  },
  "luminance": 0.12513
}

Semantic roles & 50–950 ramp

primary

#B3372E

secondary

#76C1C6

accent

#D8E246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B3372E

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

Preview Lab → · Contrast checker → · Palette generator →