#BB3830#BB3830

#BB3830 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.169 H 27.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#BB3830
RGB	rgb(187, 56, 48)
HSL	hsl(3, 59%, 46%)
HSV	hsv(3, 74%, 73%)
CMYK	cmyk(0%, 70.1%, 74.3%, 26.7%)
CIE-LAB	lab(43.67, 51.85, 35.08)
CIE-LCH	lch(43.67, 62.61, 34.08°)
OKLab	oklab(53.43% 0.1494 0.0788)
OKLCH	oklch(53.43% 0.169 27.8)
XYZ	xyz(22.4437, 13.6099, 4.2409)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3830 #30B3BB

analogous

#BB306D #BB3830 #BB7D30

triadic

#BB3830 #30BB38 #3830BB

tetradic

#BB3830 #6DBB30 #30B3BB #7D30BB

square

#BB3830 #6DBB30 #30B3BB #7D30BB

split-complementary

#BB3830 #30BB7D #306DBB

monochromatic

#5A1B17 #8A2923 #BB3830 #D35C55 #E08B86

Accessibility & contrast

On white

5.64

#BB3830 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BB3830 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3830

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3830	#FFFFFF	#000000	##FFFFFF
##BB3830	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#7E722B

Tritanopia (blue-blind)

#CE0737

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3830;
/* rgb */ color: rgb(187, 56, 48);
/* oklch */ color: oklch(53.4% 0.169 27.8);

Tailwind

colors: {
  custom: {
    50: '#d87769',
    500: '#bb3830',
    950: '#000000',
  },
}

SCSS

$custom: #bb3830;
$custom-light: #d87769;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3830",
  "rgb": {
    "r": 187,
    "g": 56,
    "b": 48
  },
  "hsl": {
    "h": 3.453,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5343,
    "c": 0.16894,
    "h": 27.8
  },
  "luminance": 0.13607
}

Semantic roles & 50–950 ramp

primary

#BB3830

secondary

#7DC5C9

accent

#D9E245

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3830

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

Preview Lab → · Contrast checker → · Palette generator →