#BB374A#BB374A

#BB374A is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.168 H 16.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#BB374A
RGB	rgb(187, 55, 74)
HSL	hsl(351, 55%, 47%)
HSV	hsv(351, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 60.4%, 26.7%)
CIE-LAB	lab(43.94, 53.67, 19.84)
CIE-LCH	lch(43.94, 57.22, 20.29°)
OKLab	oklab(53.76% 0.1605 0.0484)
OKLCH	oklch(53.76% 0.168 16.8)
XYZ	xyz(23.0980, 13.7949, 7.9236)
Luminance	0.1379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB374A #37BBA8

analogous

#BB378C #BB374A #BB6637

triadic

#BB374A #4ABB37 #374ABB

tetradic

#BB374A #8CBB37 #37BBA8 #6637BB

square

#BB374A #8CBB37 #37BBA8 #6637BB

split-complementary

#BB374A #37BB66 #378CBB

monochromatic

#5C1B25 #8C2937 #BB374A #D05F6F #DE8E9A

Accessibility & contrast

On white

5.59

#BB374A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#BB374A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB374A

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB374A	#FFFFFF	#000000	##FFFFFF
##BB374A	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A564A

Deuteranopia (green-blind)

#7B7246

Tritanopia (blue-blind)

#CD133F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb374a;
/* rgb */ color: rgb(187, 55, 74);
/* oklch */ color: oklch(53.8% 0.168 16.8);

Tailwind

colors: {
  custom: {
    50: '#d6777c',
    500: '#bb374a',
    950: '#000000',
  },
}

SCSS

$custom: #bb374a;
$custom-light: #d6777c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb374a",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 74
  },
  "hsl": {
    "h": 351.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53762,
    "c": 0.16762,
    "h": 16.8
  },
  "luminance": 0.13792
}

Semantic roles & 50–950 ramp

primary

#BB374A

secondary

#85C9BF

accent

#DEC94A

background

#FEF7F7

surface

#FCEEEE

border

#D5C9C9

text

#160909

muted

#847B7B

Preview Lab

Preview with #BB374A

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

Preview Lab → · Contrast checker → · Palette generator →