#BB3920#BB3920

#BB3920 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.171 H 32.9°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#BB3920
RGB	rgb(187, 57, 32)
HSL	hsl(10, 71%, 43%)
HSV	hsv(10, 83%, 73%)
CMYK	cmyk(0%, 69.5%, 82.9%, 26.7%)
CIE-LAB	lab(43.65, 50.90, 43.67)
CIE-LCH	lch(43.65, 67.06, 40.63°)
OKLab	oklab(53.37% 0.1433 0.0928)
OKLCH	oklch(53.37% 0.171 32.9)
XYZ	xyz(22.2200, 13.5987, 2.8210)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3920 #20A2BB

analogous

#BB2055 #BB3920 #BB8620

triadic

#BB3920 #20BB39 #3920BB

tetradic

#BB3920 #55BB20 #20A2BB #8620BB

square

#BB3920 #55BB20 #20A2BB #8620BB

split-complementary

#BB3920 #20BB86 #2055BB

monochromatic

#52190E #872917 #BB3920 #DD553B #E6826F

Accessibility & contrast

On white

5.65

#BB3920 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BB3920 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3920

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3920	#FFFFFF	#000000	##FFFFFF
##BB3920	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60551C

Deuteranopia (green-blind)

#807219

Tritanopia (blue-blind)

#CE0435

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3920;
/* rgb */ color: rgb(187, 57, 32);
/* oklch */ color: oklch(53.4% 0.171 32.9);

Tailwind

colors: {
  custom: {
    50: '#d9775e',
    500: '#bb3920',
    950: '#000000',
  },
}

SCSS

$custom: #bb3920;
$custom-light: #d9775e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3920",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 32
  },
  "hsl": {
    "h": 9.677,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53367,
    "c": 0.17073,
    "h": 32.9
  },
  "luminance": 0.13595
}

Semantic roles & 50–950 ramp

primary

#BB3920

secondary

#6ABDCD

accent

#D1EE3A

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB3920

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

Preview Lab → · Contrast checker → · Palette generator →