#B3321C#B3321C

#B3321C is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.169 H 32.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B3321C
RGB	rgb(179, 50, 28)
HSL	hsl(9, 73%, 41%)
HSV	hsv(9, 84%, 70%)
CMYK	cmyk(0%, 72.1%, 84.4%, 29.8%)
CIE-LAB	lab(41.14, 50.82, 42.79)
CIE-LCH	lch(41.14, 66.44, 40.10°)
OKLab	oklab(51.2% 0.1432 0.0901)
OKLCH	oklch(51.2% 0.169 32.2)
XYZ	xyz(19.9430, 11.9519, 2.3552)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3321C #1C9DB3

analogous

#B31C51 #B3321C #B37E1C

triadic

#B3321C #1CB332 #321CB3

tetradic

#B3321C #51B31C #1C9DB3 #7E1CB3

square

#B3321C #51B31C #1C9DB3 #7E1CB3

split-complementary

#B3321C #1CB37E #1C51B3

monochromatic

#49140B #7E2314 #B3321C #DE482E #E77663

Accessibility & contrast

On white

6.20

#B3321C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B3321C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3321C

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3321C	#FFFFFF	#000000	##FFFFFF
##B3321C	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)

#594F18

Deuteranopia (green-blind)

#796B15

Tritanopia (blue-blind)

#C5002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3321c;
/* rgb */ color: rgb(179, 50, 28);
/* oklch */ color: oklch(51.2% 0.169 32.2);

Tailwind

colors: {
  custom: {
    50: '#d3735b',
    500: '#b3321c',
    950: '#000000',
  },
}

SCSS

$custom: #b3321c;
$custom-light: #d3735b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3321c",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 28
  },
  "hsl": {
    "h": 8.742,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51202,
    "c": 0.16918,
    "h": 32.2
  },
  "luminance": 0.11949
}

Semantic roles & 50–950 ramp

primary

#B3321C

secondary

#5FBCCB

accent

#D5F038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3321C

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

Preview Lab → · Contrast checker → · Palette generator →