#BB3533#BB3533

#BB3533 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.171 H 25.9°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#BB3533
RGB	rgb(187, 53, 51)
HSL	hsl(1, 57%, 47%)
HSV	hsv(1, 73%, 73%)
CMYK	cmyk(0%, 71.7%, 72.7%, 26.7%)
CIE-LAB	lab(43.29, 53.13, 32.92)
CIE-LCH	lch(43.29, 62.50, 31.78°)
OKLab	oklab(53.16% 0.1541 0.0748)
OKLCH	oklch(53.16% 0.171 25.9)
XYZ	xyz(22.3667, 13.3534, 4.5311)
Luminance	0.1335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3533 #33B9BB

analogous

#BB3375 #BB3533 #BB7933

triadic

#BB3533 #33BB35 #3533BB

tetradic

#BB3533 #75BB33 #33B9BB #7933BB

square

#BB3533 #75BB33 #33B9BB #7933BB

split-complementary

#BB3533 #33BB79 #3375BB

monochromatic

#5B1A19 #8B2726 #BB3533 #D25B59 #DF8B89

Accessibility & contrast

On white

5.72

#BB3533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#BB3533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3533

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3533	#FFFFFF	#000000	##FFFFFF
##BB3533	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)

#5C5431

Deuteranopia (green-blind)

#7D712E

Tritanopia (blue-blind)

#CE0036

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3533;
/* rgb */ color: rgb(187, 53, 51);
/* oklch */ color: oklch(53.2% 0.171 25.9);

Tailwind

colors: {
  custom: {
    50: '#d8766b',
    500: '#bb3533',
    950: '#000000',
  },
}

SCSS

$custom: #bb3533;
$custom-light: #d8766b;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3533",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.882,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5316,
    "c": 0.17125,
    "h": 25.9
  },
  "luminance": 0.1335
}

Semantic roles & 50–950 ramp

primary

#BB3533

secondary

#81C8C9

accent

#DEE047

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3533

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

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