#BB303B#BB303B

#BB303B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.8% C 0.175 H 21.6°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#BB303B
RGB	rgb(187, 48, 59)
HSL	hsl(355, 59%, 46%)
HSV	hsv(355, 74%, 73%)
CMYK	cmyk(0%, 74.3%, 68.4%, 26.7%)
CIE-LAB	lab(42.76, 55.30, 27.52)
CIE-LCH	lch(42.76, 61.77, 26.45°)
OKLab	oklab(52.8% 0.1627 0.0643)
OKLCH	oklch(52.8% 0.175 21.6)
XYZ	xyz(22.3423, 12.9978, 5.4692)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB303B #30BBB0

analogous

#BB3080 #BB303B #BB6A30

triadic

#BB303B #3BBB30 #303BBB

tetradic

#BB303B #80BB30 #30BBB0 #6A30BB

square

#BB303B #80BB30 #30BBB0 #6A30BB

split-complementary

#BB303B #30BB6A #3080BB

monochromatic

#5A171C #8A232C #BB303B #D3555F #E0868D

Accessibility & contrast

On white

5.84

#BB303B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#BB303B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB303B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB303B	#FFFFFF	#000000	##FFFFFF
##BB303B	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)

#58523A

Deuteranopia (green-blind)

#7B7037

Tritanopia (blue-blind)

#CD0035

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb303b;
/* rgb */ color: rgb(187, 48, 59);
/* oklch */ color: oklch(52.8% 0.175 21.6);

Tailwind

colors: {
  custom: {
    50: '#d77371',
    500: '#bb303b',
    950: '#000000',
  },
}

SCSS

$custom: #bb303b;
$custom-light: #d77371;
$custom-dark: #000000;

JSON

{
  "hex": "#bb303b",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 59
  },
  "hsl": {
    "h": 355.252,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52801,
    "c": 0.17493,
    "h": 21.6
  },
  "luminance": 0.12994
}

Semantic roles & 50–950 ramp

primary

#BB303B

secondary

#7DC9C3

accent

#E2D645

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB303B

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

Preview Lab → · Contrast checker → · Palette generator →