#BB3434#BB3434

#BB3434 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.1% C 0.172 H 25.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#BB3434
RGB	rgb(187, 52, 52)
HSL	hsl(0, 56%, 47%)
HSV	hsv(0, 72%, 73%)
CMYK	cmyk(0%, 72.2%, 72.2%, 26.7%)
CIE-LAB	lab(43.17, 53.54, 32.19)
CIE-LCH	lch(43.17, 62.47, 31.02°)
OKLab	oklab(53.07% 0.1556 0.0734)
OKLCH	oklch(53.07% 0.172 25.2)
XYZ	xyz(22.3438, 13.2721, 4.6334)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3434 #34BBBB

analogous

#BB3478 #BB3434 #BB7834

triadic

#BB3434 #34BB34 #3434BB

tetradic

#BB3434 #78BB34 #34BBBB #7834BB

square

#BB3434 #78BB34 #34BBBB #7834BB

split-complementary

#BB3434 #34BB78 #3478BB

monochromatic

#5B1919 #8B2727 #BB3434 #D15B5B #DF8B8B

Accessibility & contrast

On white

5.75

#BB3434 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#BB3434 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3434

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3434	#FFFFFF	#000000	##FFFFFF
##BB3434	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5333

Deuteranopia (green-blind)

#7D712F

Tritanopia (blue-blind)

#CE0036

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3434;
/* rgb */ color: rgb(187, 52, 52);
/* oklch */ color: oklch(53.1% 0.172 25.2);

Tailwind

colors: {
  custom: {
    50: '#d8756c',
    500: '#bb3434',
    950: '#000000',
  },
}

SCSS

$custom: #bb3434;
$custom-light: #d8756c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3434",
  "rgb": {
    "r": 187,
    "g": 52,
    "b": 52
  },
  "hsl": {
    "h": 0,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53074,
    "c": 0.17203,
    "h": 25.2
  },
  "luminance": 0.13269
}

Semantic roles & 50–950 ramp

primary

#BB3434

secondary

#82C9C9

accent

#E0E048

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3434

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

Preview Lab → · Contrast checker → · Palette generator →