#BB3752#BB3752

#BB3752 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.9% C 0.168 H 13.0°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#BB3752
RGB	rgb(187, 55, 82)
HSL	hsl(348, 55%, 47%)
HSV	hsv(348, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 56.1%, 26.7%)
CIE-LAB	lab(44.10, 54.24, 15.12)
CIE-LCH	lch(44.10, 56.31, 15.58°)
OKLab	oklab(53.94% 0.1636 0.0378)
OKLCH	oklch(53.94% 0.168 13)
XYZ	xyz(23.3849, 13.9096, 9.4344)
Luminance	0.1391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3752 #37BBA0

analogous

#BB3794 #BB3752 #BB5E37

triadic

#BB3752 #52BB37 #3752BB

tetradic

#BB3752 #94BB37 #37BBA0 #5E37BB

square

#BB3752 #94BB37 #37BBA0 #5E37BB

split-complementary

#BB3752 #37BB5E #3794BB

monochromatic

#5C1B29 #8C293D #BB3752 #D05F76 #DE8E9F

Accessibility & contrast

On white

5.55

#BB3752 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3752 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3752

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3752	#FFFFFF	#000000	##FFFFFF
##BB3752	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585752

Deuteranopia (green-blind)

#7A724F

Tritanopia (blue-blind)

#CC1842

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3752;
/* rgb */ color: rgb(187, 55, 82);
/* oklch */ color: oklch(53.9% 0.168 13.0);

Tailwind

colors: {
  custom: {
    50: '#d67782',
    500: '#bb3752',
    950: '#000000',
  },
}

SCSS

$custom: #bb3752;
$custom-light: #d67782;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3752",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 82
  },
  "hsl": {
    "h": 347.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53939,
    "c": 0.16794,
    "h": 13
  },
  "luminance": 0.13906
}

Semantic roles & 50–950 ramp

primary

#BB3752

secondary

#85C9BB

accent

#DEC04A

background

#FEF7F7

surface

#FCEEEE

border

#D5C9C9

text

#16090A

muted

#847B7C

Preview Lab

Preview with #BB3752

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

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