#B32B1F#B32B1F

#B32B1F is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.174 H 29.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B32B1F
RGB	rgb(179, 43, 31)
HSL	hsl(5, 70%, 41%)
HSV	hsv(5, 83%, 70%)
CMYK	cmyk(0%, 76%, 82.7%, 29.8%)
CIE-LAB	lab(40.27, 53.38, 40.46)
CIE-LCH	lch(40.27, 66.99, 37.16°)
OKLab	oklab(50.56% 0.1517 0.0861)
OKLCH	oklch(50.56% 0.174 29.6)
XYZ	xyz(19.7040, 11.4135, 2.4616)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32B1F #1FA7B3

analogous

#B31F5D #B32B1F #B3751F

triadic

#B32B1F #1FB32B #2B1FB3

tetradic

#B32B1F #5DB31F #1FA7B3 #751FB3

square

#B32B1F #5DB31F #1FA7B3 #751FB3

split-complementary

#B32B1F #1FB375 #1F5DB3

monochromatic

#4B120D #7F1E16 #B32B1F #DC4133 #E57268

Accessibility & contrast

On white

6.40

#B32B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B32B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32B1F

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32B1F	#FFFFFF	#000000	##FFFFFF
##B32B1F	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)

#554C1C

Deuteranopia (green-blind)

#776A18

Tritanopia (blue-blind)

#C6002A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b32b1f;
/* rgb */ color: rgb(179, 43, 31);
/* oklch */ color: oklch(50.6% 0.174 29.6);

Tailwind

colors: {
  custom: {
    50: '#d3705c',
    500: '#b32b1f',
    950: '#000000',
  },
}

SCSS

$custom: #b32b1f;
$custom-light: #d3705c;
$custom-dark: #000000;

JSON

{
  "hex": "#b32b1f",
  "rgb": {
    "r": 179,
    "g": 43,
    "b": 31
  },
  "hsl": {
    "h": 4.865,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5056,
    "c": 0.17443,
    "h": 29.6
  },
  "luminance": 0.1141
}

Semantic roles & 50–950 ramp

primary

#B32B1F

secondary

#64C2CA

accent

#DFED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B32B1F

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

Preview Lab → · Contrast checker → · Palette generator →