#BB3524#BB3524

#BB3524 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.0% C 0.174 H 30.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#BB3524
RGB	rgb(187, 53, 36)
HSL	hsl(7, 68%, 44%)
HSV	hsv(7, 81%, 73%)
CMYK	cmyk(0%, 71.7%, 80.7%, 26.7%)
CIE-LAB	lab(43.13, 52.55, 41.12)
CIE-LCH	lch(43.13, 66.73, 38.04°)
OKLab	oklab(52.98% 0.1492 0.0886)
OKLCH	oklch(52.98% 0.174 30.7)
XYZ	xyz(22.0877, 13.2418, 3.0616)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3524 #24AABB

analogous

#BB245E #BB3524 #BB8024

triadic

#BB3524 #24BB35 #3524BB

tetradic

#BB3524 #5EBB24 #24AABB #8024BB

square

#BB3524 #5EBB24 #24AABB #8024BB

split-complementary

#BB3524 #24BB80 #245EBB

monochromatic

#541810 #88261A #BB3524 #DB5342 #E48275

Accessibility & contrast

On white

5.76

#BB3524 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#BB3524 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3524

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3524	#FFFFFF	#000000	##FFFFFF
##BB3524	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5321

Deuteranopia (green-blind)

#7E711E

Tritanopia (blue-blind)

#CE0032

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3524;
/* rgb */ color: rgb(187, 53, 36);
/* oklch */ color: oklch(53.0% 0.174 30.7);

Tailwind

colors: {
  custom: {
    50: '#d97560',
    500: '#bb3524',
    950: '#000000',
  },
}

SCSS

$custom: #bb3524;
$custom-light: #d97560;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3524",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 36
  },
  "hsl": {
    "h": 6.755,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52984,
    "c": 0.17351,
    "h": 30.7
  },
  "luminance": 0.13238
}

Semantic roles & 50–950 ramp

primary

#BB3524

secondary

#6FC1CC

accent

#D7EB3D

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #BB3524

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

Preview Lab → · Contrast checker → · Palette generator →