#BB4B31#BB4B31

#BB4B31 is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.7% C 0.151 H 34.5°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#BB4B31
RGB	rgb(187, 75, 49)
HSL	hsl(11, 58%, 46%)
HSV	hsv(11, 74%, 73%)
CMYK	cmyk(0%, 59.9%, 73.8%, 26.7%)
CIE-LAB	lab(46.74, 43.68, 37.92)
CIE-LCH	lch(46.74, 57.85, 40.96°)
OKLab	oklab(55.74% 0.1241 0.0852)
OKLCH	oklch(55.74% 0.151 34.5)
XYZ	xyz(23.5664, 15.8219, 4.7181)
Luminance	0.1582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4B31 #31A1BB

analogous

#BB315C #BB4B31 #BB9031

triadic

#BB4B31 #31BB4B #4B31BB

tetradic

#BB4B31 #5CBB31 #31A1BB #9031BB

square

#BB4B31 #5CBB31 #31A1BB #9031BB

split-complementary

#BB4B31 #31BB90 #315CBB

monochromatic

#5A2418 #8B3824 #BB4B31 #D36E56 #E09887

Accessibility & contrast

On white

5.04

#BB4B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#BB4B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4B31

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4B31	#FFFFFF	#000000	##FFFFFF
##BB4B31	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5F2E

Deuteranopia (green-blind)

#85782E

Tritanopia (blue-blind)

#CD3145

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #bb4b31;
/* rgb */ color: rgb(187, 75, 49);
/* oklch */ color: oklch(55.7% 0.151 34.5);

Tailwind

colors: {
  custom: {
    50: '#d7816a',
    500: '#bb4b31',
    950: '#000000',
  },
}

SCSS

$custom: #bb4b31;
$custom-light: #d7816a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4b31",
  "rgb": {
    "r": 187,
    "g": 75,
    "b": 49
  },
  "hsl": {
    "h": 11.304,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55743,
    "c": 0.15056,
    "h": 34.5
  },
  "luminance": 0.15819
}

Semantic roles & 50–950 ramp

primary

#BB4B31

secondary

#7FBBC9

accent

#C4E246

background

#FEF8F6

surface

#FCEFEB

border

#D5CAC6

text

#160B06

muted

#847C7A

Preview Lab

Preview with #BB4B31

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

Preview Lab → · Contrast checker → · Palette generator →