#BB3B34#BB3B34

#BB3B34 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 27.3°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#BB3B34
RGB	rgb(187, 59, 52)
HSL	hsl(3, 56%, 47%)
HSV	hsv(3, 72%, 73%)
CMYK	cmyk(0%, 68.4%, 72.2%, 26.7%)
CIE-LAB	lab(44.15, 50.85, 33.33)
CIE-LCH	lch(44.15, 60.80, 33.24°)
OKLab	oklab(53.81% 0.1471 0.0759)
OKLCH	oklch(53.81% 0.166 27.3)
XYZ	xyz(22.6798, 13.9440, 4.7454)
Luminance	0.1394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3B34 #34B4BB

analogous

#BB3471 #BB3B34 #BB7F34

triadic

#BB3B34 #34BB3B #3B34BB

tetradic

#BB3B34 #71BB34 #34B4BB #7F34BB

square

#BB3B34 #71BB34 #34B4BB #7F34BB

split-complementary

#BB3B34 #34BB7F #3471BB

monochromatic

#5B1D19 #8B2C27 #BB3B34 #D1615B #DF8F8B

Accessibility & contrast

On white

5.54

#BB3B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#BB3B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B34

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3B34	#FFFFFF	#000000	##FFFFFF
##BB3B34	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5732

Deuteranopia (green-blind)

#7F7330

Tritanopia (blue-blind)

#CE143B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3b34;
/* rgb */ color: rgb(187, 59, 52);
/* oklch */ color: oklch(53.8% 0.166 27.3);

Tailwind

colors: {
  custom: {
    50: '#d7796c',
    500: '#bb3b34',
    950: '#000000',
  },
}

SCSS

$custom: #bb3b34;
$custom-light: #d7796c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3b34",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.111,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53808,
    "c": 0.1655,
    "h": 27.3
  },
  "luminance": 0.13941
}

Semantic roles & 50–950 ramp

primary

#BB3B34

secondary

#82C5C9

accent

#D8E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3B34

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

Preview Lab → · Contrast checker → · Palette generator →