#BB3F33#BB3F33

#BB3F33 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.3% C 0.162 H 29.0°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#BB3F33
RGB	rgb(187, 63, 51)
HSL	hsl(5, 57%, 47%)
HSV	hsv(5, 73%, 73%)
CMYK	cmyk(0%, 66.3%, 72.7%, 26.7%)
CIE-LAB	lab(44.75, 49.15, 34.58)
CIE-LCH	lch(44.75, 60.10, 35.13°)
OKLab	oklab(54.25% 0.1416 0.0784)
OKLCH	oklch(54.25% 0.162 29)
XYZ	xyz(22.8710, 14.3621, 4.6992)
Luminance	0.1436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F33 #33AFBB

analogous

#BB336B #BB3F33 #BB8333

triadic

#BB3F33 #33BB3F #3F33BB

tetradic

#BB3F33 #6BBB33 #33AFBB #8333BB

square

#BB3F33 #6BBB33 #33AFBB #8333BB

split-complementary

#BB3F33 #33BB83 #336BBB

monochromatic

#5B1F19 #8B2F26 #BB3F33 #D26459 #DF9189

Accessibility & contrast

On white

5.42

#BB3F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#BB3F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F33

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F33	#FFFFFF	#000000	##FFFFFF
##BB3F33	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625931

Deuteranopia (green-blind)

#81742F

Tritanopia (blue-blind)

#CE1D3D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb3f33;
/* rgb */ color: rgb(187, 63, 51);
/* oklch */ color: oklch(54.3% 0.162 29.0);

Tailwind

colors: {
  custom: {
    50: '#d77b6b',
    500: '#bb3f33',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f33;
$custom-light: #d77b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f33",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 5.294,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54251,
    "c": 0.16182,
    "h": 29
  },
  "luminance": 0.14359
}

Semantic roles & 50–950 ramp

primary

#BB3F33

secondary

#81C3C9

accent

#D3E047

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #BB3F33

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

Preview Lab → · Contrast checker → · Palette generator →