#BB2B2B#BB2B2B

#BB2B2B is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.181 H 26.2°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#BB2B2B
RGB	rgb(187, 43, 43)
HSL	hsl(0, 63%, 45%)
HSV	hsv(0, 77%, 73%)
CMYK	cmyk(0%, 77%, 77%, 26.7%)
CIE-LAB	lab(41.95, 56.24, 36.06)
CIE-LCH	lch(41.95, 66.81, 32.67°)
OKLab	oklab(52.13% 0.1622 0.0797)
OKLCH	oklch(52.13% 0.181 26.2)
XYZ	xyz(21.7960, 12.4704, 3.5444)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB2B2B #2BBBBB

analogous

#BB2B73 #BB2B2B #BB732B

triadic

#BB2B2B #2BBB2B #2B2BBB

tetradic

#BB2B2B #73BB2B #2BBBBB #732BBB

square

#BB2B2B #73BB2B #2BBBBB #732BBB

split-complementary

#BB2B2B #2BBB73 #2B73BB

monochromatic

#571414 #892020 #BB2B2B #D64D4D #E27F7F

Accessibility & contrast

On white

6.01

#BB2B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#BB2B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB2B2B

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB2B2B	#FFFFFF	#000000	##FFFFFF
##BB2B2B	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F29

Deuteranopia (green-blind)

#7B6E25

Tritanopia (blue-blind)

#CE002D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #bb2b2b;
/* rgb */ color: rgb(187, 43, 43);
/* oklch */ color: oklch(52.1% 0.181 26.2);

Tailwind

colors: {
  custom: {
    50: '#d97165',
    500: '#bb2b2b',
    950: '#000000',
  },
}

SCSS

$custom: #bb2b2b;
$custom-light: #d97165;
$custom-dark: #000000;

JSON

{
  "hex": "#bb2b2b",
  "rgb": {
    "r": 187,
    "g": 43,
    "b": 43
  },
  "hsl": {
    "h": 0,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52133,
    "c": 0.18071,
    "h": 26.2
  },
  "luminance": 0.12467
}

Semantic roles & 50–950 ramp

primary

#BB2B2B

secondary

#78CACA

accent

#E6E642

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #BB2B2B

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

Preview Lab → · Contrast checker → · Palette generator →