#BB2222#BB2222

#BB2222 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.4% C 0.188 H 27.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#BB2222
RGB	rgb(187, 34, 34)
HSL	hsl(0, 69%, 43%)
HSV	hsv(0, 82%, 73%)
CMYK	cmyk(0%, 81.8%, 81.8%, 26.7%)
CIE-LAB	lab(40.94, 58.54, 40.06)
CIE-LCH	lch(40.94, 70.93, 34.38°)
OKLab	oklab(51.35% 0.1676 0.0855)
OKLCH	oklch(51.35% 0.188 27)
XYZ	xyz(21.3569, 11.8278, 2.6716)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB2222 #22BBBB

analogous

#BB226E #BB2222 #BB6E22

triadic

#BB2222 #22BB22 #2222BB

tetradic

#BB2222 #6EBB22 #22BBBB #6E22BB

square

#BB2222 #6EBB22 #22BBBB #6E22BB

split-complementary

#BB2222 #22BB6E #226EBB

monochromatic

#530F0F #871919 #BB2222 #DC3E3E #E57272

Accessibility & contrast

On white

6.24

#BB2222 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#BB2222 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB2222

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB2222	#FFFFFF	#000000	##FFFFFF
##BB2222	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B20

Deuteranopia (green-blind)

#796C1A

Tritanopia (blue-blind)

#CE0025

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #bb2222;
/* rgb */ color: rgb(187, 34, 34);
/* oklch */ color: oklch(51.4% 0.188 27.0);

Tailwind

colors: {
  custom: {
    50: '#d96d5e',
    500: '#bb2222',
    950: '#000000',
  },
}

SCSS

$custom: #bb2222;
$custom-light: #d96d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb2222",
  "rgb": {
    "r": 187,
    "g": 34,
    "b": 34
  },
  "hsl": {
    "h": 0,
    "s": 69.231,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51351,
    "c": 0.18812,
    "h": 27
  },
  "luminance": 0.11824
}

Semantic roles & 50–950 ramp

primary

#BB2222

secondary

#6DCCCC

accent

#ECEC3C

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170804

muted

#857B79

Preview Lab

Preview with #BB2222

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

Preview Lab → · Contrast checker → · Palette generator →