#BB3724#BB3724

#BB3724 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.172 H 31.3°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#BB3724
RGB	rgb(187, 55, 36)
HSL	hsl(8, 68%, 44%)
HSV	hsv(8, 81%, 73%)
CMYK	cmyk(0%, 70.6%, 80.7%, 26.7%)
CIE-LAB	lab(43.40, 51.79, 41.39)
CIE-LCH	lch(43.40, 66.30, 38.63°)
OKLab	oklab(53.19% 0.1469 0.0891)
OKLCH	oklch(53.19% 0.172 31.3)
XYZ	xyz(22.1807, 13.4279, 3.0927)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3724 #24A8BB

analogous

#BB245C #BB3724 #BB8224

triadic

#BB3724 #24BB37 #3724BB

tetradic

#BB3724 #5CBB24 #24A8BB #8224BB

square

#BB3724 #5CBB24 #24A8BB #8224BB

split-complementary

#BB3724 #24BB82 #245CBB

monochromatic

#541910 #88281A #BB3724 #DB5542 #E48375

Accessibility & contrast

On white

5.70

#BB3724 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#BB3724 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3724

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3724	#FFFFFF	#000000	##FFFFFF
##BB3724	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5420

Deuteranopia (green-blind)

#7F711E

Tritanopia (blue-blind)

#CE0034

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3724;
/* rgb */ color: rgb(187, 55, 36);
/* oklch */ color: oklch(53.2% 0.172 31.3);

Tailwind

colors: {
  custom: {
    50: '#d97661',
    500: '#bb3724',
    950: '#000000',
  },
}

SCSS

$custom: #bb3724;
$custom-light: #d97661;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3724",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 36
  },
  "hsl": {
    "h": 7.55,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5319,
    "c": 0.17179,
    "h": 31.3
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#BB3724

secondary

#6FC0CC

accent

#D5EB3D

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3724

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

Preview Lab → · Contrast checker → · Palette generator →