#BB4B3B#BB4B3B

#BB4B3B is a mid, vivid red. Relative luminance 0.159; OKLCH L 55.9% C 0.148 H 30.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#BB4B3B
RGB	rgb(187, 75, 59)
HSL	hsl(8, 52%, 48%)
HSV	hsv(8, 68%, 73%)
CMYK	cmyk(0%, 59.9%, 68.4%, 26.7%)
CIE-LAB	lab(46.86, 44.19, 32.47)
CIE-LCH	lch(46.86, 54.83, 36.31°)
OKLab	oklab(55.88% 0.1277 0.0752)
OKLCH	oklch(55.88% 0.148 30.5)
XYZ	xyz(23.8014, 15.9159, 5.9556)
Luminance	0.1591 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4B3B #3BABBB

analogous

#BB3B6B #BB4B3B #BB8B3B

triadic

#BB4B3B #3BBB4B #4B3BBB

tetradic

#BB4B3B #6BBB3B #3BABBB #8B3BBB

square

#BB4B3B #6BBB3B #3BABBB #8B3BBB

split-complementary

#BB4B3B #3BBB8B #3B6BBB

monochromatic

#5E261E #8C382C #BB4B3B #CE7265 #DD9D93

Accessibility & contrast

On white

5.02

#BB4B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#BB4B3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4B3B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4B3B	#FFFFFF	#000000	##FFFFFF
##BB4B3B	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#857838

Tritanopia (blue-blind)

#CD3348

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #bb4b3b;
/* rgb */ color: rgb(187, 75, 59);
/* oklch */ color: oklch(55.9% 0.148 30.5);

Tailwind

colors: {
  custom: {
    50: '#d68171',
    500: '#bb4b3b',
    950: '#000000',
  },
}

SCSS

$custom: #bb4b3b;
$custom-light: #d68171;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4b3b",
  "rgb": {
    "r": 187,
    "g": 75,
    "b": 59
  },
  "hsl": {
    "h": 7.5,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55877,
    "c": 0.14816,
    "h": 30.5
  },
  "luminance": 0.15913
}

Semantic roles & 50–950 ramp

primary

#BB4B3B

secondary

#8AC0C8

accent

#CADB4C

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160B08

muted

#847C7B

Preview Lab

Preview with #BB4B3B

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

Preview Lab → · Contrast checker → · Palette generator →