#BB4A37#BB4A37

#BB4A37 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.7% C 0.150 H 31.7°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#BB4A37
RGB	rgb(187, 74, 55)
HSL	hsl(9, 55%, 47%)
HSV	hsv(9, 71%, 73%)
CMYK	cmyk(0%, 60.4%, 70.6%, 26.7%)
CIE-LAB	lab(46.63, 44.44, 34.47)
CIE-LCH	lch(46.63, 56.25, 37.80°)
OKLab	oklab(55.69% 0.1277 0.0789)
OKLCH	oklch(55.69% 0.15 31.7)
XYZ	xyz(23.6343, 15.7414, 5.4075)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4A37 #37A8BB

analogous

#BB3766 #BB4A37 #BB8C37

triadic

#BB4A37 #37BB4A #4A37BB

tetradic

#BB4A37 #66BB37 #37A8BB #8C37BB

square

#BB4A37 #66BB37 #37A8BB #8C37BB

split-complementary

#BB4A37 #37BB8C #3766BB

monochromatic

#5C251B #8C3729 #BB4A37 #D06F5F #DE9A8E

Accessibility & contrast

On white

5.06

#BB4A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#BB4A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4A37

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4A37	#FFFFFF	#000000	##FFFFFF
##BB4A37	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F34

Deuteranopia (green-blind)

#857834

Tritanopia (blue-blind)

#CD3146

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #bb4a37;
/* rgb */ color: rgb(187, 74, 55);
/* oklch */ color: oklch(55.7% 0.150 31.7);

Tailwind

colors: {
  custom: {
    50: '#d7816e',
    500: '#bb4a37',
    950: '#000000',
  },
}

SCSS

$custom: #bb4a37;
$custom-light: #d7816e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4a37",
  "rgb": {
    "r": 187,
    "g": 74,
    "b": 55
  },
  "hsl": {
    "h": 8.636,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55686,
    "c": 0.15008,
    "h": 31.7
  },
  "luminance": 0.15738
}

Semantic roles & 50–950 ramp

primary

#BB4A37

secondary

#85BFC9

accent

#C9DE4A

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #BB4A37

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

Preview Lab → · Contrast checker → · Palette generator →