#BB3630#BB3630

#BB3630 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.171 H 27.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#BB3630
RGB	rgb(187, 54, 48)
HSL	hsl(3, 59%, 46%)
HSV	hsv(3, 74%, 73%)
CMYK	cmyk(0%, 71.1%, 74.3%, 26.7%)
CIE-LAB	lab(43.39, 52.62, 34.77)
CIE-LCH	lch(43.39, 63.07, 33.45°)
OKLab	oklab(53.22% 0.1519 0.0781)
OKLCH	oklch(53.22% 0.171 27.2)
XYZ	xyz(22.3487, 13.4199, 4.2093)
Luminance	0.1342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3630 #30B5BB

analogous

#BB306F #BB3630 #BB7B30

triadic

#BB3630 #30BB36 #3630BB

tetradic

#BB3630 #6FBB30 #30B5BB #7B30BB

square

#BB3630 #6FBB30 #30B5BB #7B30BB

split-complementary

#BB3630 #30BB7B #306FBB

monochromatic

#5A1A17 #8A2823 #BB3630 #D35A55 #E08986

Accessibility & contrast

On white

5.70

#BB3630 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#BB3630 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3630

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3630	#FFFFFF	#000000	##FFFFFF
##BB3630	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542E

Deuteranopia (green-blind)

#7E712B

Tritanopia (blue-blind)

#CE0036

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3630;
/* rgb */ color: rgb(187, 54, 48);
/* oklch */ color: oklch(53.2% 0.171 27.2);

Tailwind

colors: {
  custom: {
    50: '#d87669',
    500: '#bb3630',
    950: '#000000',
  },
}

SCSS

$custom: #bb3630;
$custom-light: #d87669;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3630",
  "rgb": {
    "r": 187,
    "g": 54,
    "b": 48
  },
  "hsl": {
    "h": 2.59,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53221,
    "c": 0.17077,
    "h": 27.2
  },
  "luminance": 0.13417
}

Semantic roles & 50–950 ramp

primary

#BB3630

secondary

#7DC6C9

accent

#DCE245

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB3630

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

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