#BB3833#BB3833

#BB3833 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.168 H 26.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#BB3833
RGB	rgb(187, 56, 51)
HSL	hsl(2, 57%, 47%)
HSV	hsv(2, 73%, 73%)
CMYK	cmyk(0%, 70.1%, 72.7%, 26.7%)
CIE-LAB	lab(43.71, 51.99, 33.39)
CIE-LCH	lch(43.71, 61.79, 32.72°)
OKLab	oklab(53.47% 0.1505 0.0758)
OKLCH	oklch(53.47% 0.168 26.7)
XYZ	xyz(22.5077, 13.6355, 4.5781)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3833 #33B6BB

analogous

#BB3372 #BB3833 #BB7C33

triadic

#BB3833 #33BB38 #3833BB

tetradic

#BB3833 #72BB33 #33B6BB #7C33BB

square

#BB3833 #72BB33 #33B6BB #7C33BB

split-complementary

#BB3833 #33BB7C #3372BB

monochromatic

#5B1B19 #8B2A26 #BB3833 #D25E59 #DF8D89

Accessibility & contrast

On white

5.64

#BB3833 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#BB3833 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3833

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3833	#FFFFFF	#000000	##FFFFFF
##BB3833	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#7E722F

Tritanopia (blue-blind)

#CE0938

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3833;
/* rgb */ color: rgb(187, 56, 51);
/* oklch */ color: oklch(53.5% 0.168 26.7);

Tailwind

colors: {
  custom: {
    50: '#d8776b',
    500: '#bb3833',
    950: '#000000',
  },
}

SCSS

$custom: #bb3833;
$custom-light: #d8776b;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3833",
  "rgb": {
    "r": 187,
    "g": 56,
    "b": 51
  },
  "hsl": {
    "h": 2.206,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5347,
    "c": 0.16849,
    "h": 26.7
  },
  "luminance": 0.13632
}

Semantic roles & 50–950 ramp

primary

#BB3833

secondary

#81C6C9

accent

#DBE047

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3833

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

Preview Lab → · Contrast checker → · Palette generator →