#BB3031#BB3031

#BB3031 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.176 H 25.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#BB3031
RGB	rgb(187, 48, 49)
HSL	hsl(360, 59%, 46%)
HSV	hsv(360, 74%, 73%)
CMYK	cmyk(0%, 74.3%, 73.8%, 26.7%)
CIE-LAB	lab(42.62, 54.83, 33.32)
CIE-LCH	lch(42.62, 64.16, 31.29°)
OKLab	oklab(52.65% 0.159 0.0752)
OKLCH	oklch(52.65% 0.176 25.3)
XYZ	xyz(22.1074, 12.9039, 4.2318)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3031 #30BBBA

analogous

#BB3076 #BB3031 #BB7430

triadic

#BB3031 #31BB30 #3031BB

tetradic

#BB3031 #76BB30 #30BBBA #7430BB

square

#BB3031 #76BB30 #30BBBA #7430BB

split-complementary

#BB3031 #30BB74 #3076BB

monochromatic

#5A1717 #8A2324 #BB3031 #D35556 #E08686

Accessibility & contrast

On white

5.87

#BB3031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#BB3031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3031

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3031	#FFFFFF	#000000	##FFFFFF
##BB3031	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512F

Deuteranopia (green-blind)

#7C702C

Tritanopia (blue-blind)

#CE0032

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3031;
/* rgb */ color: rgb(187, 48, 49);
/* oklch */ color: oklch(52.6% 0.176 25.3);

Tailwind

colors: {
  custom: {
    50: '#d87369',
    500: '#bb3031',
    950: '#000000',
  },
}

SCSS

$custom: #bb3031;
$custom-light: #d87369;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3031",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.568,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5265,
    "c": 0.17591,
    "h": 25.3
  },
  "luminance": 0.129
}

Semantic roles & 50–950 ramp

primary

#BB3031

secondary

#7DC9C9

accent

#E2E145

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3031

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

Preview Lab → · Contrast checker → · Palette generator →