#B33220#B33220

#B33220 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.169 H 31.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B33220
RGB	rgb(179, 50, 32)
HSL	hsl(7, 70%, 41%)
HSV	hsv(7, 82%, 70%)
CMYK	cmyk(0%, 72.1%, 82.1%, 29.8%)
CIE-LAB	lab(41.17, 50.93, 40.80)
CIE-LCH	lch(41.17, 65.26, 38.70°)
OKLab	oklab(51.24% 0.1443 0.0872)
OKLCH	oklch(51.24% 0.169 31.2)
XYZ	xyz(19.9941, 11.9723, 2.6243)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33220 #20A1B3

analogous

#B32058 #B33220 #B37C20

triadic

#B33220 #20B332 #3220B3

tetradic

#B33220 #58B320 #20A1B3 #7C20B3

square

#B33220 #58B320 #20A1B3 #7C20B3

split-complementary

#B33220 #20B37C #2058B3

monochromatic

#4B150D #7F2317 #B33220 #DB4A35 #E47869

Accessibility & contrast

On white

6.19

#B33220 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B33220 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33220

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33220	#FFFFFF	#000000	##FFFFFF
##B33220	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)

#594F1C

Deuteranopia (green-blind)

#796B1A

Tritanopia (blue-blind)

#C5002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33220;
/* rgb */ color: rgb(179, 50, 32);
/* oklch */ color: oklch(51.2% 0.169 31.2);

Tailwind

colors: {
  custom: {
    50: '#d3735d',
    500: '#b33220',
    950: '#000000',
  },
}

SCSS

$custom: #b33220;
$custom-light: #d3735d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33220",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 32
  },
  "hsl": {
    "h": 7.347,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51237,
    "c": 0.16857,
    "h": 31.2
  },
  "luminance": 0.11969
}

Semantic roles & 50–950 ramp

primary

#B33220

secondary

#65BECA

accent

#D7EC3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B33220

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

Preview Lab → · Contrast checker → · Palette generator →