#BB3820#BB3820

#BB3820 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.172 H 32.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#BB3820
RGB	rgb(187, 56, 32)
HSL	hsl(9, 71%, 43%)
HSV	hsv(9, 83%, 73%)
CMYK	cmyk(0%, 70.1%, 82.9%, 26.7%)
CIE-LAB	lab(43.51, 51.29, 43.53)
CIE-LCH	lch(43.51, 67.27, 40.33°)
OKLab	oklab(53.26% 0.1446 0.0925)
OKLCH	oklch(53.26% 0.172 32.6)
XYZ	xyz(22.1710, 13.5008, 2.8047)
Luminance	0.1350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3820 #20A3BB

analogous

#BB2056 #BB3820 #BB8520

triadic

#BB3820 #20BB38 #3820BB

tetradic

#BB3820 #56BB20 #20A3BB #8520BB

square

#BB3820 #56BB20 #20A3BB #8520BB

split-complementary

#BB3820 #20BB85 #2056BB

monochromatic

#52190E #872817 #BB3820 #DD543B #E6826F

Accessibility & contrast

On white

5.68

#BB3820 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#BB3820 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3820

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3820	#FFFFFF	#000000	##FFFFFF
##BB3820	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541C

Deuteranopia (green-blind)

#7F7119

Tritanopia (blue-blind)

#CE0034

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3820;
/* rgb */ color: rgb(187, 56, 32);
/* oklch */ color: oklch(53.3% 0.172 32.6);

Tailwind

colors: {
  custom: {
    50: '#d9775e',
    500: '#bb3820',
    950: '#000000',
  },
}

SCSS

$custom: #bb3820;
$custom-light: #d9775e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3820",
  "rgb": {
    "r": 187,
    "g": 56,
    "b": 32
  },
  "hsl": {
    "h": 9.29,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5326,
    "c": 0.17159,
    "h": 32.6
  },
  "luminance": 0.13497
}

Semantic roles & 50–950 ramp

primary

#BB3820

secondary

#6ABDCD

accent

#D2EE3A

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB3820

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

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