#BB3C20#BB3C20

#BB3C20 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.168 H 33.9°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BB3C20
RGB	rgb(187, 60, 32)
HSL	hsl(11, 71%, 43%)
HSV	hsv(11, 83%, 73%)
CMYK	cmyk(0%, 67.9%, 82.9%, 26.7%)
CIE-LAB	lab(44.10, 49.69, 44.08)
CIE-LCH	lch(44.10, 66.42, 41.58°)
OKLab	oklab(53.7% 0.1396 0.0937)
OKLCH	oklch(53.7% 0.168 33.9)
XYZ	xyz(22.3727, 13.9042, 2.8720)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3C20 #209FBB

analogous

#BB2051 #BB3C20 #BB8A20

triadic

#BB3C20 #20BB3C #3C20BB

tetradic

#BB3C20 #51BB20 #209FBB #8A20BB

square

#BB3C20 #51BB20 #209FBB #8A20BB

split-complementary

#BB3C20 #20BB8A #2051BB

monochromatic

#521A0E #872B17 #BB3C20 #DD583B #E6856F

Accessibility & contrast

On white

5.56

#BB3C20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3C20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3C20

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3C20	#FFFFFF	#000000	##FFFFFF
##BB3C20	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61561B

Deuteranopia (green-blind)

#81731A

Tritanopia (blue-blind)

#CE1037

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3c20;
/* rgb */ color: rgb(187, 60, 32);
/* oklch */ color: oklch(53.7% 0.168 33.9);

Tailwind

colors: {
  custom: {
    50: '#d9795e',
    500: '#bb3c20',
    950: '#000000',
  },
}

SCSS

$custom: #bb3c20;
$custom-light: #d9795e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3c20",
  "rgb": {
    "r": 187,
    "g": 60,
    "b": 32
  },
  "hsl": {
    "h": 10.839,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.537,
    "c": 0.16811,
    "h": 33.9
  },
  "luminance": 0.13901
}

Semantic roles & 50–950 ramp

primary

#BB3C20

secondary

#6ABBCD

accent

#CDEE3A

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #BB3C20

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

Preview Lab → · Contrast checker → · Palette generator →