#BB3924#BB3924

#BB3924 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.170 H 31.9°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#BB3924
RGB	rgb(187, 57, 36)
HSL	hsl(8, 68%, 44%)
HSV	hsv(8, 81%, 73%)
CMYK	cmyk(0%, 69.5%, 80.7%, 26.7%)
CIE-LAB	lab(43.69, 51.02, 41.67)
CIE-LCH	lch(43.69, 65.87, 39.24°)
OKLab	oklab(53.4% 0.1444 0.0898)
OKLCH	oklch(53.4% 0.17 31.9)
XYZ	xyz(22.2777, 13.6218, 3.1250)
Luminance	0.1362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3924 #24A6BB

analogous

#BB245A #BB3924 #BB8424

triadic

#BB3924 #24BB39 #3924BB

tetradic

#BB3924 #5ABB24 #24A6BB #8424BB

square

#BB3924 #5ABB24 #24A6BB #8424BB

split-complementary

#BB3924 #24BB84 #245ABB

monochromatic

#541A10 #88291A #BB3924 #DB5742 #E48475

Accessibility & contrast

On white

5.64

#BB3924 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BB3924 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3924

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3924	#FFFFFF	#000000	##FFFFFF
##BB3924	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5520

Deuteranopia (green-blind)

#7F721E

Tritanopia (blue-blind)

#CE0635

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3924;
/* rgb */ color: rgb(187, 57, 36);
/* oklch */ color: oklch(53.4% 0.170 31.9);

Tailwind

colors: {
  custom: {
    50: '#d87761',
    500: '#bb3924',
    950: '#000000',
  },
}

SCSS

$custom: #bb3924;
$custom-light: #d87761;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3924",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 36
  },
  "hsl": {
    "h": 8.344,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53403,
    "c": 0.17005,
    "h": 31.9
  },
  "luminance": 0.13618
}

Semantic roles & 50–950 ramp

primary

#BB3924

secondary

#6FBFCC

accent

#D2EB3D

background

#FEF7F5

surface

#FDEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3924

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

Preview Lab → · Contrast checker → · Palette generator →