#BB3231#BB3231

#BB3231 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.174 H 25.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#BB3231
RGB	rgb(187, 50, 49)
HSL	hsl(0, 58%, 46%)
HSV	hsv(0, 74%, 73%)
CMYK	cmyk(0%, 73.3%, 73.8%, 26.7%)
CIE-LAB	lab(42.87, 54.13, 33.61)
CIE-LCH	lch(42.87, 63.71, 31.83°)
OKLab	oklab(52.84% 0.1568 0.0758)
OKLCH	oklch(52.84% 0.174 25.8)
XYZ	xyz(22.1910, 13.0711, 4.2597)
Luminance	0.1307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3231 #31BABB

analogous

#BB3175 #BB3231 #BB7731

triadic

#BB3231 #31BB32 #3231BB

tetradic

#BB3231 #75BB31 #31BABB #7731BB

square

#BB3231 #75BB31 #31BABB #7731BB

split-complementary

#BB3231 #31BB77 #3175BB

monochromatic

#5A1818 #8B2524 #BB3231 #D35756 #E08887

Accessibility & contrast

On white

5.81

#BB3231 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#BB3231 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3231

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3231	#FFFFFF	#000000	##FFFFFF
##BB3231	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522F

Deuteranopia (green-blind)

#7C702C

Tritanopia (blue-blind)

#CE0034

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3231;
/* rgb */ color: rgb(187, 50, 49);
/* oklch */ color: oklch(52.8% 0.174 25.8);

Tailwind

colors: {
  custom: {
    50: '#d87469',
    500: '#bb3231',
    950: '#000000',
  },
}

SCSS

$custom: #bb3231;
$custom-light: #d87469;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3231",
  "rgb": {
    "r": 187,
    "g": 50,
    "b": 49
  },
  "hsl": {
    "h": 0.435,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52838,
    "c": 0.17419,
    "h": 25.8
  },
  "luminance": 0.13068
}

Semantic roles & 50–950 ramp

primary

#BB3231

secondary

#7FC9C9

accent

#E1E246

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3231

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

Preview Lab → · Contrast checker → · Palette generator →