#BB4237#BB4237

#BB4237 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.7% C 0.158 H 28.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#BB4237
RGB	rgb(187, 66, 55)
HSL	hsl(5, 55%, 47%)
HSV	hsv(5, 71%, 73%)
CMYK	cmyk(0%, 64.7%, 70.6%, 26.7%)
CIE-LAB	lab(45.28, 48.06, 32.90)
CIE-LCH	lch(45.28, 58.24, 34.39°)
OKLab	oklab(54.66% 0.139 0.0755)
OKLCH	oklch(54.66% 0.158 28.5)
XYZ	xyz(23.1338, 14.7403, 5.2407)
Luminance	0.1474 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4237 #37B0BB

analogous

#BB376E #BB4237 #BB8437

triadic

#BB4237 #37BB42 #4237BB

tetradic

#BB4237 #6EBB37 #37B0BB #8437BB

square

#BB4237 #6EBB37 #37B0BB #8437BB

split-complementary

#BB4237 #37BB84 #376EBB

monochromatic

#5C211B #8C3129 #BB4237 #D0695F #DE958E

Accessibility & contrast

On white

5.32

#BB4237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#BB4237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4237

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4237	#FFFFFF	#000000	##FFFFFF
##BB4237	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B35

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#CD2440

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bb4237;
/* rgb */ color: rgb(187, 66, 55);
/* oklch */ color: oklch(54.7% 0.158 28.5);

Tailwind

colors: {
  custom: {
    50: '#d77c6e',
    500: '#bb4237',
    950: '#000000',
  },
}

SCSS

$custom: #bb4237;
$custom-light: #d77c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4237",
  "rgb": {
    "r": 187,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54664,
    "c": 0.15814,
    "h": 28.5
  },
  "luminance": 0.14737
}

Semantic roles & 50–950 ramp

primary

#BB4237

secondary

#85C3C9

accent

#D2DE4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4237

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

Preview Lab → · Contrast checker → · Palette generator →