#BB3228#BB3228

#BB3228 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.175 H 28.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#BB3228
RGB	rgb(187, 50, 40)
HSL	hsl(4, 65%, 45%)
HSV	hsv(4, 79%, 73%)
CMYK	cmyk(0%, 73.3%, 78.6%, 26.7%)
CIE-LAB	lab(42.77, 53.78, 38.61)
CIE-LCH	lch(42.77, 66.20, 35.67°)
OKLab	oklab(52.73% 0.1538 0.0843)
OKLCH	oklch(52.73% 0.175 28.7)
XYZ	xyz(22.0197, 13.0026, 3.3574)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3228 #28B1BB

analogous

#BB2867 #BB3228 #BB7C28

triadic

#BB3228 #28BB32 #3228BB

tetradic

#BB3228 #67BB28 #28B1BB #7C28BB

square

#BB3228 #67BB28 #28B1BB #7C28BB

split-complementary

#BB3228 #28BB7C #2867BB

monochromatic

#561712 #89251D #BB3228 #D85248 #E3827B

Accessibility & contrast

On white

5.83

#BB3228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#BB3228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3228

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3228	#FFFFFF	#000000	##FFFFFF
##BB3228	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#CE0031

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3228;
/* rgb */ color: rgb(187, 50, 40);
/* oklch */ color: oklch(52.7% 0.175 28.7);

Tailwind

colors: {
  custom: {
    50: '#d97463',
    500: '#bb3228',
    950: '#000000',
  },
}

SCSS

$custom: #bb3228;
$custom-light: #d97463;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3228",
  "rgb": {
    "r": 187,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.082,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52728,
    "c": 0.17544,
    "h": 28.7
  },
  "luminance": 0.12999
}

Semantic roles & 50–950 ramp

primary

#BB3228

secondary

#74C5CB

accent

#DCE840

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3228

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

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