#B3321E#B3321E

#B3321E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.169 H 31.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B3321E
RGB	rgb(179, 50, 30)
HSL	hsl(8, 71%, 41%)
HSV	hsv(8, 83%, 70%)
CMYK	cmyk(0%, 72.1%, 83.2%, 29.8%)
CIE-LAB	lab(41.16, 50.88, 41.81)
CIE-LCH	lch(41.16, 65.85, 39.41°)
OKLab	oklab(51.22% 0.1437 0.0887)
OKLCH	oklch(51.22% 0.169 31.7)
XYZ	xyz(19.9677, 11.9617, 2.4855)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3321E #1E9FB3

analogous

#B31E54 #B3321E #B37C1E

triadic

#B3321E #1EB332 #321EB3

tetradic

#B3321E #54B31E #1E9FB3 #7C1EB3

square

#B3321E #54B31E #1E9FB3 #7C1EB3

split-complementary

#B3321E #1EB37C #1E54B3

monochromatic

#4A150C #7F2315 #B3321E #DD4932 #E57766

Accessibility & contrast

On white

6.19

#B3321E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B3321E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3321E

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3321E	#FFFFFF	#000000	##FFFFFF
##B3321E	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)

#594F1A

Deuteranopia (green-blind)

#796B17

Tritanopia (blue-blind)

#C5002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3321e;
/* rgb */ color: rgb(179, 50, 30);
/* oklch */ color: oklch(51.2% 0.169 31.7);

Tailwind

colors: {
  custom: {
    50: '#d3735c',
    500: '#b3321e',
    950: '#000000',
  },
}

SCSS

$custom: #b3321e;
$custom-light: #d3735c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3321e",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 30
  },
  "hsl": {
    "h": 8.054,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.51219,
    "c": 0.16887,
    "h": 31.7
  },
  "luminance": 0.11959
}

Semantic roles & 50–950 ramp

primary

#B3321E

secondary

#62BDCB

accent

#D6EE3A

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3321E

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

Preview Lab → · Contrast checker → · Palette generator →