#BB3423#BB3423

#BB3423 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.9% C 0.175 H 30.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#BB3423
RGB	rgb(187, 52, 35)
HSL	hsl(7, 68%, 44%)
HSV	hsv(7, 81%, 73%)
CMYK	cmyk(0%, 72.2%, 81.3%, 26.7%)
CIE-LAB	lab(42.98, 52.89, 41.51)
CIE-LCH	lch(42.98, 67.23, 38.12°)
OKLab	oklab(52.87% 0.1501 0.0891)
OKLCH	oklch(52.87% 0.175 30.7)
XYZ	xyz(22.0275, 13.1455, 2.9673)
Luminance	0.1314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3423 #23AABB

analogous

#BB235E #BB3423 #BB8023

triadic

#BB3423 #23BB34 #3423BB

tetradic

#BB3423 #5EBB23 #23AABB #8023BB

square

#BB3423 #5EBB23 #23AABB #8023BB

split-complementary

#BB3423 #23BB80 #235EBB

monochromatic

#541710 #872619 #BB3423 #DB5140 #E58074

Accessibility & contrast

On white

5.79

#BB3423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#BB3423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3423

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3423	#FFFFFF	#000000	##FFFFFF
##BB3423	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5320

Deuteranopia (green-blind)

#7E701C

Tritanopia (blue-blind)

#CE0031

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3423;
/* rgb */ color: rgb(187, 52, 35);
/* oklch */ color: oklch(52.9% 0.175 30.7);

Tailwind

colors: {
  custom: {
    50: '#d97560',
    500: '#bb3423',
    950: '#000000',
  },
}

SCSS

$custom: #bb3423;
$custom-light: #d97560;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3423",
  "rgb": {
    "r": 187,
    "g": 52,
    "b": 35
  },
  "hsl": {
    "h": 6.711,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52873,
    "c": 0.17451,
    "h": 30.7
  },
  "luminance": 0.13142
}

Semantic roles & 50–950 ramp

primary

#BB3423

secondary

#6EC1CC

accent

#D8EB3C

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170905

muted

#857B79

Preview Lab

Preview with #BB3423

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

Preview Lab → · Contrast checker → · Palette generator →