#BB373E#BB373E

#BB373E is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.168 H 22.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#BB373E
RGB	rgb(187, 55, 62)
HSL	hsl(357, 55%, 47%)
HSV	hsv(357, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 66.8%, 26.7%)
CIE-LAB	lab(43.72, 52.93, 26.89)
CIE-LCH	lch(43.72, 59.37, 26.93°)
OKLab	oklab(53.54% 0.1558 0.0633)
OKLCH	oklch(53.54% 0.168 22.1)
XYZ	xyz(22.7316, 13.6483, 5.9939)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB373E #37BBB4

analogous

#BB3780 #BB373E #BB7237

triadic

#BB373E #3EBB37 #373EBB

tetradic

#BB373E #80BB37 #37BBB4 #7237BB

square

#BB373E #80BB37 #37BBB4 #7237BB

split-complementary

#BB373E #37BB72 #3780BB

monochromatic

#5C1B1F #8C292E #BB373E #D05F65 #DE8E93

Accessibility & contrast

On white

5.63

#BB373E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#BB373E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB373E

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB373E	#FFFFFF	#000000	##FFFFFF
##BB373E	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C553D

Deuteranopia (green-blind)

#7D723A

Tritanopia (blue-blind)

#CD0C3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb373e;
/* rgb */ color: rgb(187, 55, 62);
/* oklch */ color: oklch(53.5% 0.168 22.1);

Tailwind

colors: {
  custom: {
    50: '#d77773',
    500: '#bb373e',
    950: '#000000',
  },
}

SCSS

$custom: #bb373e;
$custom-light: #d77773;
$custom-dark: #000000;

JSON

{
  "hex": "#bb373e",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 356.818,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53535,
    "c": 0.16815,
    "h": 22.1
  },
  "luminance": 0.13645
}

Semantic roles & 50–950 ramp

primary

#BB373E

secondary

#85C9C5

accent

#DED64A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB373E

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

Preview Lab → · Contrast checker → · Palette generator →