#BB343A#BB343A

#BB343A is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.2% C 0.171 H 22.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#BB343A
RGB	rgb(187, 52, 58)
HSL	hsl(357, 56%, 47%)
HSV	hsv(357, 72%, 73%)
CMYK	cmyk(0%, 72.2%, 69%, 26.7%)
CIE-LAB	lab(43.26, 53.83, 28.73)
CIE-LCH	lch(43.26, 61.02, 28.08°)
OKLab	oklab(53.16% 0.1578 0.0668)
OKLCH	oklch(53.16% 0.171 22.9)
XYZ	xyz(22.4877, 13.3296, 5.3909)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB343A #34BBB5

analogous

#BB347E #BB343A #BB7134

triadic

#BB343A #3ABB34 #343ABB

tetradic

#BB343A #7EBB34 #34BBB5 #7134BB

square

#BB343A #7EBB34 #34BBB5 #7134BB

split-complementary

#BB343A #34BB71 #347EBB

monochromatic

#5B191C #8B272B #BB343A #D15B60 #DF8B8E

Accessibility & contrast

On white

5.73

#BB343A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#BB343A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB343A

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB343A	#FFFFFF	#000000	##FFFFFF
##BB343A	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5439

Deuteranopia (green-blind)

#7C7136

Tritanopia (blue-blind)

#CD0038

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb343a;
/* rgb */ color: rgb(187, 52, 58);
/* oklch */ color: oklch(53.2% 0.171 22.9);

Tailwind

colors: {
  custom: {
    50: '#d77570',
    500: '#bb343a',
    950: '#000000',
  },
}

SCSS

$custom: #bb343a;
$custom-light: #d77570;
$custom-dark: #000000;

JSON

{
  "hex": "#bb343a",
  "rgb": {
    "r": 187,
    "g": 52,
    "b": 58
  },
  "hsl": {
    "h": 357.333,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53165,
    "c": 0.17137,
    "h": 22.9
  },
  "luminance": 0.13326
}

Semantic roles & 50–950 ramp

primary

#BB343A

secondary

#82C9C6

accent

#E0D948

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB343A

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

Preview Lab → · Contrast checker → · Palette generator →