#BB3534#BB3534

#BB3534 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.171 H 25.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#BB3534
RGB	rgb(187, 53, 52)
HSL	hsl(0, 56%, 47%)
HSV	hsv(0, 72%, 73%)
CMYK	cmyk(0%, 71.7%, 72.2%, 26.7%)
CIE-LAB	lab(43.30, 53.17, 32.35)
CIE-LCH	lch(43.30, 62.24, 31.31°)
OKLab	oklab(53.17% 0.1544 0.0737)
OKLCH	oklch(53.17% 0.171 25.5)
XYZ	xyz(22.3890, 13.3623, 4.6484)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3534 #34BABB

analogous

#BB3477 #BB3534 #BB7834

triadic

#BB3534 #34BB35 #3534BB

tetradic

#BB3534 #77BB34 #34BABB #7834BB

square

#BB3534 #77BB34 #34BABB #7834BB

split-complementary

#BB3534 #34BB78 #3477BB

monochromatic

#5B1A19 #8B2727 #BB3534 #D15C5B #DF8B8B

Accessibility & contrast

On white

5.72

#BB3534 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#BB3534 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3534

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3534	#FFFFFF	#000000	##FFFFFF
##BB3534	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#7D712F

Tritanopia (blue-blind)

#CE0036

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3534;
/* rgb */ color: rgb(187, 53, 52);
/* oklch */ color: oklch(53.2% 0.171 25.5);

Tailwind

colors: {
  custom: {
    50: '#d8766c',
    500: '#bb3534',
    950: '#000000',
  },
}

SCSS

$custom: #bb3534;
$custom-light: #d8766c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3534",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 52
  },
  "hsl": {
    "h": 0.444,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53174,
    "c": 0.17113,
    "h": 25.5
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#BB3534

secondary

#82C8C9

accent

#DFE048

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3534

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

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