#BB3328#BB3328

#BB3328 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.175 H 29.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#BB3328
RGB	rgb(187, 51, 40)
HSL	hsl(4, 65%, 45%)
HSV	hsv(4, 79%, 73%)
CMYK	cmyk(0%, 72.7%, 78.6%, 26.7%)
CIE-LAB	lab(42.90, 53.42, 38.74)
CIE-LCH	lch(42.90, 65.99, 35.95°)
OKLab	oklab(52.83% 0.1527 0.0846)
OKLCH	oklch(52.83% 0.175 29)
XYZ	xyz(22.0629, 13.0891, 3.3718)
Luminance	0.1309 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3328 #28B0BB

analogous

#BB2866 #BB3328 #BB7D28

triadic

#BB3328 #28BB33 #3328BB

tetradic

#BB3328 #66BB28 #28B0BB #7D28BB

square

#BB3328 #66BB28 #28B0BB #7D28BB

split-complementary

#BB3328 #28BB7D #2866BB

monochromatic

#561812 #89251D #BB3328 #D85348 #E3827B

Accessibility & contrast

On white

5.81

#BB3328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#BB3328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3328

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3328	#FFFFFF	#000000	##FFFFFF
##BB3328	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5225

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#CE0032

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3328;
/* rgb */ color: rgb(187, 51, 40);
/* oklch */ color: oklch(52.8% 0.175 29.0);

Tailwind

colors: {
  custom: {
    50: '#d87463',
    500: '#bb3328',
    950: '#000000',
  },
}

SCSS

$custom: #bb3328;
$custom-light: #d87463;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3328",
  "rgb": {
    "r": 187,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.49,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52825,
    "c": 0.17459,
    "h": 29
  },
  "luminance": 0.13086
}

Semantic roles & 50–950 ramp

primary

#BB3328

secondary

#74C4CB

accent

#DBE840

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3328

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

Preview Lab → · Contrast checker → · Palette generator →