#B3321D#B3321D

#B3321D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.169 H 31.9°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B3321D
RGB	rgb(179, 50, 29)
HSL	hsl(8, 72%, 41%)
HSV	hsv(8, 84%, 70%)
CMYK	cmyk(0%, 72.1%, 83.8%, 29.8%)
CIE-LAB	lab(41.15, 50.85, 42.30)
CIE-LCH	lch(41.15, 66.14, 39.76°)
OKLab	oklab(51.21% 0.1435 0.0894)
OKLCH	oklch(51.21% 0.169 31.9)
XYZ	xyz(19.9552, 11.9567, 2.4193)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3321D #1D9EB3

analogous

#B31D53 #B3321D #B37D1D

triadic

#B3321D #1DB332 #321DB3

tetradic

#B3321D #53B31D #1D9EB3 #7D1DB3

square

#B3321D #53B31D #1D9EB3 #7D1DB3

split-complementary

#B3321D #1DB37D #1D53B3

monochromatic

#4A150C #7E2314 #B3321D #DD4830 #E67764

Accessibility & contrast

On white

6.19

#B3321D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B3321D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3321D

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3321D	#FFFFFF	#000000	##FFFFFF
##B3321D	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F19

Deuteranopia (green-blind)

#796B16

Tritanopia (blue-blind)

#C5002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3321d;
/* rgb */ color: rgb(179, 50, 29);
/* oklch */ color: oklch(51.2% 0.169 31.9);

Tailwind

colors: {
  custom: {
    50: '#d3735c',
    500: '#b3321d',
    950: '#000000',
  },
}

SCSS

$custom: #b3321d;
$custom-light: #d3735c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3321d",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 29
  },
  "hsl": {
    "h": 8.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51211,
    "c": 0.16903,
    "h": 31.9
  },
  "luminance": 0.11954
}

Semantic roles & 50–950 ramp

primary

#B3321D

secondary

#61BCCB

accent

#D5EF39

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3321D

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

Preview Lab → · Contrast checker → · Palette generator →