#BB302B#BB302B

#BB302B is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.177 H 27.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#BB302B
RGB	rgb(187, 48, 43)
HSL	hsl(2, 63%, 45%)
HSV	hsv(2, 77%, 73%)
CMYK	cmyk(0%, 74.3%, 77%, 26.7%)
CIE-LAB	lab(42.55, 54.59, 36.70)
CIE-LCH	lch(42.55, 65.78, 33.91°)
OKLab	oklab(52.57% 0.157 0.0811)
OKLCH	oklch(52.57% 0.177 27.3)
XYZ	xyz(21.9891, 12.8565, 3.6088)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB302B #2BB6BB

analogous

#BB2B6E #BB302B #BB782B

triadic

#BB302B #2BBB30 #302BBB

tetradic

#BB302B #6EBB2B #2BB6BB #782BBB

square

#BB302B #6EBB2B #2BB6BB #782BBB

split-complementary

#BB302B #2BBB78 #2B6EBB

monochromatic

#571614 #892320 #BB302B #D6524D #E2827F

Accessibility & contrast

On white

5.88

#BB302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#BB302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB302B

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB302B	#FFFFFF	#000000	##FFFFFF
##BB302B	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5129

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#CE0030

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #bb302b;
/* rgb */ color: rgb(187, 48, 43);
/* oklch */ color: oklch(52.6% 0.177 27.3);

Tailwind

colors: {
  custom: {
    50: '#d87365',
    500: '#bb302b',
    950: '#000000',
  },
}

SCSS

$custom: #bb302b;
$custom-light: #d87365;
$custom-dark: #000000;

JSON

{
  "hex": "#bb302b",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.083,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52574,
    "c": 0.17669,
    "h": 27.3
  },
  "luminance": 0.12853
}

Semantic roles & 50–950 ramp

primary

#BB302B

secondary

#78C7CA

accent

#E0E642

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #BB302B

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

Preview Lab → · Contrast checker → · Palette generator →