#B32B1C#B32B1C

#B32B1C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.175 H 30.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B32B1C
RGB	rgb(179, 43, 28)
HSL	hsl(6, 73%, 41%)
HSV	hsv(6, 84%, 70%)
CMYK	cmyk(0%, 76%, 84.4%, 29.8%)
CIE-LAB	lab(40.24, 53.30, 41.98)
CIE-LCH	lch(40.24, 67.85, 38.23°)
OKLab	oklab(50.53% 0.1509 0.0883)
OKLCH	oklch(50.53% 0.175 30.3)
XYZ	xyz(19.6663, 11.3984, 2.2630)
Luminance	0.1139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32B1C #1CA4B3

analogous

#B31C59 #B32B1C #B3761C

triadic

#B32B1C #1CB32B #2B1CB3

tetradic

#B32B1C #59B31C #1CA4B3 #761CB3

square

#B32B1C #59B31C #1CA4B3 #761CB3

split-complementary

#B32B1C #1CB376 #1C59B3

monochromatic

#49120B #7E1E14 #B32B1C #DE3F2E #E77063

Accessibility & contrast

On white

6.40

#B32B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B32B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32B1C

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32B1C	#FFFFFF	#000000	##FFFFFF
##B32B1C	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C18

Deuteranopia (green-blind)

#776A14

Tritanopia (blue-blind)

#C60029

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b32b1c;
/* rgb */ color: rgb(179, 43, 28);
/* oklch */ color: oklch(50.5% 0.175 30.3);

Tailwind

colors: {
  custom: {
    50: '#d36f5a',
    500: '#b32b1c',
    950: '#000000',
  },
}

SCSS

$custom: #b32b1c;
$custom-light: #d36f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b32b1c",
  "rgb": {
    "r": 179,
    "g": 43,
    "b": 28
  },
  "hsl": {
    "h": 5.96,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50533,
    "c": 0.17484,
    "h": 30.3
  },
  "luminance": 0.11395
}

Semantic roles & 50–950 ramp

primary

#B32B1C

secondary

#5FC1CB

accent

#DDF038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B32B1C

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

Preview Lab → · Contrast checker → · Palette generator →