#BB3930#BB3930

#BB3930 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.168 H 28.1°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#BB3930
RGB	rgb(187, 57, 48)
HSL	hsl(4, 59%, 46%)
HSV	hsv(4, 74%, 73%)
CMYK	cmyk(0%, 69.5%, 74.3%, 26.7%)
CIE-LAB	lab(43.81, 51.46, 35.24)
CIE-LCH	lch(43.81, 62.37, 34.40°)
OKLab	oklab(53.54% 0.1482 0.0792)
OKLCH	oklch(53.54% 0.168 28.1)
XYZ	xyz(22.4927, 13.7078, 4.2572)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3930 #30B2BB

analogous

#BB306C #BB3930 #BB7E30

triadic

#BB3930 #30BB39 #3930BB

tetradic

#BB3930 #6CBB30 #30B2BB #7E30BB

square

#BB3930 #6CBB30 #30B2BB #7E30BB

split-complementary

#BB3930 #30BB7E #306CBB

monochromatic

#5A1B17 #8A2A23 #BB3930 #D35D55 #E08B86

Accessibility & contrast

On white

5.61

#BB3930 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#BB3930 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3930

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3930	#FFFFFF	#000000	##FFFFFF
##BB3930	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E562E

Deuteranopia (green-blind)

#7F722B

Tritanopia (blue-blind)

#CE0B38

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3930;
/* rgb */ color: rgb(187, 57, 48);
/* oklch */ color: oklch(53.5% 0.168 28.1);

Tailwind

colors: {
  custom: {
    50: '#d87769',
    500: '#bb3930',
    950: '#000000',
  },
}

SCSS

$custom: #bb3930;
$custom-light: #d87769;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3930",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 48
  },
  "hsl": {
    "h": 3.885,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53537,
    "c": 0.16802,
    "h": 28.1
  },
  "luminance": 0.13704
}

Semantic roles & 50–950 ramp

primary

#BB3930

secondary

#7DC4C9

accent

#D8E245

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3930

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

Preview Lab → · Contrast checker → · Palette generator →