#BB3732#BB3732

#BB3732 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.4% C 0.170 H 26.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#BB3732
RGB	rgb(187, 55, 50)
HSL	hsl(2, 58%, 46%)
HSV	hsv(2, 73%, 73%)
CMYK	cmyk(0%, 70.6%, 73.3%, 26.7%)
CIE-LAB	lab(43.55, 52.33, 33.80)
CIE-LCH	lch(43.55, 62.29, 32.86°)
OKLab	oklab(53.35% 0.1513 0.0765)
OKLCH	oklch(53.35% 0.17 26.8)
XYZ	xyz(22.4379, 13.5308, 4.4472)
Luminance	0.1353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3732 #32B6BB

analogous

#BB3272 #BB3732 #BB7C32

triadic

#BB3732 #32BB37 #3732BB

tetradic

#BB3732 #72BB32 #32B6BB #7C32BB

square

#BB3732 #72BB32 #32B6BB #7C32BB

split-complementary

#BB3732 #32BB7C #3272BB

monochromatic

#5A1B18 #8B2925 #BB3732 #D25C58 #DF8B88

Accessibility & contrast

On white

5.67

#BB3732 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#BB3732 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3732

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3732	#FFFFFF	#000000	##FFFFFF
##BB3732	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5530

Deuteranopia (green-blind)

#7E712D

Tritanopia (blue-blind)

#CE0437

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3732;
/* rgb */ color: rgb(187, 55, 50);
/* oklch */ color: oklch(53.4% 0.170 26.8);

Tailwind

colors: {
  custom: {
    50: '#d8766a',
    500: '#bb3732',
    950: '#000000',
  },
}

SCSS

$custom: #bb3732;
$custom-light: #d8766a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3732",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 50
  },
  "hsl": {
    "h": 2.19,
    "s": 57.806,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53351,
    "c": 0.16956,
    "h": 26.8
  },
  "luminance": 0.13527
}

Semantic roles & 50–950 ramp

primary

#BB3732

secondary

#80C6C9

accent

#DBE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3732

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

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