#B33328#B33328

#B33328 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.166 H 29.0°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B33328
RGB	rgb(179, 51, 40)
HSL	hsl(5, 63%, 43%)
HSV	hsv(5, 78%, 70%)
CMYK	cmyk(0%, 71.5%, 77.7%, 29.8%)
CIE-LAB	lab(41.39, 50.83, 36.70)
CIE-LCH	lch(41.39, 62.69, 35.83°)
OKLab	oklab(51.42% 0.1455 0.0808)
OKLCH	oklch(51.42% 0.166 29)
XYZ	xyz(20.1596, 12.1076, 3.2826)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33328 #28A8B3

analogous

#B32863 #B33328 #B37828

triadic

#B33328 #28B333 #3328B3

tetradic

#B33328 #63B328 #28A8B3 #7828B3

square

#B33328 #63B328 #28A8B3 #7828B3

split-complementary

#B33328 #28B378 #2863B3

monochromatic

#4F1612 #81251D #B33328 #D54F43 #E07E75

Accessibility & contrast

On white

6.14

#B33328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B33328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33328

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33328	#FFFFFF	#000000	##FFFFFF
##B33328	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595026

Deuteranopia (green-blind)

#786C23

Tritanopia (blue-blind)

#C50032

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33328;
/* rgb */ color: rgb(179, 51, 40);
/* oklch */ color: oklch(51.4% 0.166 29.0);

Tailwind

colors: {
  custom: {
    50: '#d27363',
    500: '#b33328',
    950: '#000000',
  },
}

SCSS

$custom: #b33328;
$custom-light: #d27363;
$custom-dark: #000000;

JSON

{
  "hex": "#b33328",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.748,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51422,
    "c": 0.16642,
    "h": 29
  },
  "luminance": 0.12105
}

Semantic roles & 50–950 ramp

primary

#B33328

secondary

#6FC1C8

accent

#D9E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33328

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

Preview Lab → · Contrast checker → · Palette generator →