#B3321A#B3321A

#B3321A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.169 H 32.7°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B3321A
RGB	rgb(179, 50, 26)
HSL	hsl(9, 75%, 40%)
HSV	hsv(9, 85%, 70%)
CMYK	cmyk(0%, 72.1%, 85.5%, 29.8%)
CIE-LAB	lab(41.12, 50.77, 43.74)
CIE-LCH	lch(41.12, 67.02, 40.75°)
OKLab	oklab(51.19% 0.1427 0.0915)
OKLCH	oklch(51.19% 0.169 32.7)
XYZ	xyz(19.9199, 11.9426, 2.2334)
Luminance	0.1194 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3321A #1A9BB3

analogous

#B31A4E #B3321A #B37F1A

triadic

#B3321A #1AB332 #321AB3

tetradic

#B3321A #4EB31A #1A9BB3 #7F1AB3

square

#B3321A #4EB31A #1A9BB3 #7F1AB3

split-complementary

#B3321A #1AB37F #1A4EB3

monochromatic

#48140A #7E2312 #B3321A #E0472A #E87560

Accessibility & contrast

On white

6.20

#B3321A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B3321A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3321A

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3321A	#FFFFFF	#000000	##FFFFFF
##B3321A	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F15

Deuteranopia (green-blind)

#796B12

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3321a;
/* rgb */ color: rgb(179, 50, 26);
/* oklch */ color: oklch(51.2% 0.169 32.7);

Tailwind

colors: {
  custom: {
    50: '#d3735a',
    500: '#b3321a',
    950: '#000000',
  },
}

SCSS

$custom: #b3321a;
$custom-light: #d3735a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3321a",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 26
  },
  "hsl": {
    "h": 9.412,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51187,
    "c": 0.16949,
    "h": 32.7
  },
  "luminance": 0.11939
}

Semantic roles & 50–950 ramp

primary

#B3321A

secondary

#5DBBCC

accent

#D4F137

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3321A

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

Preview Lab → · Contrast checker → · Palette generator →