#BB3B30#BB3B30

#BB3B30 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 28.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#BB3B30
RGB	rgb(187, 59, 48)
HSL	hsl(5, 59%, 46%)
HSV	hsv(5, 74%, 73%)
CMYK	cmyk(0%, 68.4%, 74.3%, 26.7%)
CIE-LAB	lab(44.10, 50.67, 35.57)
CIE-LCH	lch(44.10, 61.90, 35.07°)
OKLab	oklab(53.76% 0.1457 0.0799)
OKLCH	oklch(53.76% 0.166 28.7)
XYZ	xyz(22.5935, 13.9095, 4.2908)
Luminance	0.1391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3B30 #30B0BB

analogous

#BB306A #BB3B30 #BB8030

triadic

#BB3B30 #30BB3B #3B30BB

tetradic

#BB3B30 #6ABB30 #30B0BB #8030BB

square

#BB3B30 #6ABB30 #30B0BB #8030BB

split-complementary

#BB3B30 #30BB80 #306ABB

monochromatic

#5A1C17 #8A2C23 #BB3B30 #D35F55 #E08D86

Accessibility & contrast

On white

5.55

#BB3B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B30

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3B30	#FFFFFF	#000000	##FFFFFF
##BB3B30	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F572E

Deuteranopia (green-blind)

#7F732B

Tritanopia (blue-blind)

#CE1239

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3b30;
/* rgb */ color: rgb(187, 59, 48);
/* oklch */ color: oklch(53.8% 0.166 28.7);

Tailwind

colors: {
  custom: {
    50: '#d87869',
    500: '#bb3b30',
    950: '#000000',
  },
}

SCSS

$custom: #bb3b30;
$custom-light: #d87869;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3b30",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.748,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53755,
    "c": 0.16616,
    "h": 28.7
  },
  "luminance": 0.13906
}

Semantic roles & 50–950 ramp

primary

#BB3B30

secondary

#7DC3C9

accent

#D6E245

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3B30

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

Preview Lab → · Contrast checker → · Palette generator →