#BB303A#BB303A

#BB303A is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.8% C 0.175 H 22.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#BB303A
RGB	rgb(187, 48, 58)
HSL	hsl(356, 59%, 46%)
HSV	hsv(356, 74%, 73%)
CMYK	cmyk(0%, 74.3%, 69%, 26.7%)
CIE-LAB	lab(42.74, 55.25, 28.10)
CIE-LCH	lch(42.74, 61.99, 26.96°)
OKLab	oklab(52.79% 0.1623 0.0654)
OKLCH	oklch(52.79% 0.175 22)
XYZ	xyz(22.3167, 12.9876, 5.3339)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB303A #30BBB1

analogous

#BB307F #BB303A #BB6B30

triadic

#BB303A #3ABB30 #303ABB

tetradic

#BB303A #7FBB30 #30BBB1 #6B30BB

square

#BB303A #7FBB30 #30BBB1 #6B30BB

split-complementary

#BB303A #30BB6B #307FBB

monochromatic

#5A171C #8A232B #BB303A #D3555E #E0868C

Accessibility & contrast

On white

5.84

#BB303A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#BB303A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB303A

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB303A	#FFFFFF	#000000	##FFFFFF
##BB303A	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585239

Deuteranopia (green-blind)

#7B7036

Tritanopia (blue-blind)

#CE0035

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb303a;
/* rgb */ color: rgb(187, 48, 58);
/* oklch */ color: oklch(52.8% 0.175 22.0);

Tailwind

colors: {
  custom: {
    50: '#d77370',
    500: '#bb303a',
    950: '#000000',
  },
}

SCSS

$custom: #bb303a;
$custom-light: #d77370;
$custom-dark: #000000;

JSON

{
  "hex": "#bb303a",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 355.683,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52785,
    "c": 0.17501,
    "h": 22
  },
  "luminance": 0.12984
}

Semantic roles & 50–950 ramp

primary

#BB303A

secondary

#7DC9C4

accent

#E2D745

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB303A

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

Preview Lab → · Contrast checker → · Palette generator →