#BB3530#BB3530

#BB3530 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.1% C 0.172 H 26.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#BB3530
RGB	rgb(187, 53, 48)
HSL	hsl(2, 59%, 46%)
HSV	hsv(2, 74%, 73%)
CMYK	cmyk(0%, 71.7%, 74.3%, 26.7%)
CIE-LAB	lab(43.25, 53.00, 34.62)
CIE-LCH	lch(43.25, 63.30, 33.15°)
OKLab	oklab(53.12% 0.153 0.0778)
OKLCH	oklch(53.12% 0.172 26.9)
XYZ	xyz(22.3027, 13.3278, 4.1939)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3530 #30B6BB

analogous

#BB3070 #BB3530 #BB7A30

triadic

#BB3530 #30BB35 #3530BB

tetradic

#BB3530 #70BB30 #30B6BB #7A30BB

square

#BB3530 #70BB30 #30B6BB #7A30BB

split-complementary

#BB3530 #30BB7A #3070BB

monochromatic

#5A1917 #8A2723 #BB3530 #D35955 #E08986

Accessibility & contrast

On white

5.73

#BB3530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#BB3530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3530

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3530	#FFFFFF	#000000	##FFFFFF
##BB3530	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542E

Deuteranopia (green-blind)

#7D712B

Tritanopia (blue-blind)

#CE0035

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3530;
/* rgb */ color: rgb(187, 53, 48);
/* oklch */ color: oklch(53.1% 0.172 26.9);

Tailwind

colors: {
  custom: {
    50: '#d87569',
    500: '#bb3530',
    950: '#000000',
  },
}

SCSS

$custom: #bb3530;
$custom-light: #d87569;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3530",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.158,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5312,
    "c": 0.17167,
    "h": 26.9
  },
  "luminance": 0.13324
}

Semantic roles & 50–950 ramp

primary

#BB3530

secondary

#7DC7C9

accent

#DDE245

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3530

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

Preview Lab → · Contrast checker → · Palette generator →