#B33227#B33227

#B33227 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.167 H 29.1°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B33227
RGB	rgb(179, 50, 39)
HSL	hsl(5, 64%, 43%)
HSV	hsv(5, 78%, 70%)
CMYK	cmyk(0%, 72.1%, 78.2%, 29.8%)
CIE-LAB	lab(41.24, 51.17, 37.10)
CIE-LCH	lch(41.24, 63.20, 35.94°)
OKLab	oklab(51.31% 0.1464 0.0814)
OKLCH	oklch(51.31% 0.167 29.1)
XYZ	xyz(20.0996, 12.0145, 3.1798)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33227 #27A8B3

analogous

#B32762 #B33227 #B37827

triadic

#B33227 #27B332 #3227B3

tetradic

#B33227 #62B327 #27A8B3 #7827B3

square

#B33227 #62B327 #27A8B3 #7827B3

split-complementary

#B33227 #27B378 #2762B3

monochromatic

#4E1611 #81241C #B33227 #D64D41 #E17C74

Accessibility & contrast

On white

6.17

#B33227 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B33227 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33227

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33227	#FFFFFF	#000000	##FFFFFF
##B33227	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F24

Deuteranopia (green-blind)

#786C22

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33227;
/* rgb */ color: rgb(179, 50, 39);
/* oklch */ color: oklch(51.3% 0.167 29.1);

Tailwind

colors: {
  custom: {
    50: '#d27362',
    500: '#b33227',
    950: '#000000',
  },
}

SCSS

$custom: #b33227;
$custom-light: #d27362;
$custom-dark: #000000;

JSON

{
  "hex": "#b33227",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 39
  },
  "hsl": {
    "h": 4.714,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51308,
    "c": 0.16746,
    "h": 29.1
  },
  "luminance": 0.12011
}

Semantic roles & 50–950 ramp

primary

#B33227

secondary

#6EC1C8

accent

#DAE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33227

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

Preview Lab → · Contrast checker → · Palette generator →