#BB343B#BB343B

#BB343B is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.2% C 0.171 H 22.5°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#BB343B
RGB	rgb(187, 52, 59)
HSL	hsl(357, 56%, 47%)
HSV	hsv(357, 72%, 73%)
CMYK	cmyk(0%, 72.2%, 68.4%, 26.7%)
CIE-LAB	lab(43.27, 53.89, 28.14)
CIE-LCH	lch(43.27, 60.79, 27.58°)
OKLab	oklab(53.18% 0.1582 0.0657)
OKLCH	oklch(53.18% 0.171 22.5)
XYZ	xyz(22.5134, 13.3399, 5.5262)
Luminance	0.1334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB343B #34BBB4

analogous

#BB347F #BB343B #BB7134

triadic

#BB343B #3BBB34 #343BBB

tetradic

#BB343B #7FBB34 #34BBB4 #7134BB

square

#BB343B #7FBB34 #34BBB4 #7134BB

split-complementary

#BB343B #34BB71 #347FBB

monochromatic

#5B191D #8B272C #BB343B #D15B61 #DF8B8F

Accessibility & contrast

On white

5.73

#BB343B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#BB343B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB343B

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB343B	#FFFFFF	#000000	##FFFFFF
##BB343B	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)

#5A543A

Deuteranopia (green-blind)

#7C7137

Tritanopia (blue-blind)

#CD0038

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb343b;
/* rgb */ color: rgb(187, 52, 59);
/* oklch */ color: oklch(53.2% 0.171 22.5);

Tailwind

colors: {
  custom: {
    50: '#d77571',
    500: '#bb343b',
    950: '#000000',
  },
}

SCSS

$custom: #bb343b;
$custom-light: #d77571;
$custom-dark: #000000;

JSON

{
  "hex": "#bb343b",
  "rgb": {
    "r": 187,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 356.889,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53182,
    "c": 0.17128,
    "h": 22.5
  },
  "luminance": 0.13337
}

Semantic roles & 50–950 ramp

primary

#BB343B

secondary

#82C9C5

accent

#E0D848

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB343B

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

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