#BB3B23#BB3B23

#BB3B23 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.168 H 32.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#BB3B23
RGB	rgb(187, 59, 35)
HSL	hsl(9, 68%, 44%)
HSV	hsv(9, 81%, 73%)
CMYK	cmyk(0%, 68.4%, 81.3%, 26.7%)
CIE-LAB	lab(43.97, 50.19, 42.46)
CIE-LCH	lch(43.97, 65.74, 40.23°)
OKLab	oklab(53.61% 0.1417 0.0912)
OKLCH	oklch(53.61% 0.168 32.8)
XYZ	xyz(22.3634, 13.8174, 3.0793)
Luminance	0.1381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3B23 #23A3BB

analogous

#BB2357 #BB3B23 #BB8723

triadic

#BB3B23 #23BB3B #3B23BB

tetradic

#BB3B23 #57BB23 #23A3BB #8723BB

square

#BB3B23 #57BB23 #23A3BB #8723BB

split-complementary

#BB3B23 #23BB87 #2357BB

monochromatic

#541A10 #872B19 #BB3B23 #DB5840 #E58574

Accessibility & contrast

On white

5.58

#BB3B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#BB3B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B23

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3B23	#FFFFFF	#000000	##FFFFFF
##BB3B23	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61561F

Deuteranopia (green-blind)

#80721D

Tritanopia (blue-blind)

#CE0E37

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3b23;
/* rgb */ color: rgb(187, 59, 35);
/* oklch */ color: oklch(53.6% 0.168 32.8);

Tailwind

colors: {
  custom: {
    50: '#d87860',
    500: '#bb3b23',
    950: '#000000',
  },
}

SCSS

$custom: #bb3b23;
$custom-light: #d87860;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3b23",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 9.474,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53613,
    "c": 0.16846,
    "h": 32.8
  },
  "luminance": 0.13814
}

Semantic roles & 50–950 ramp

primary

#BB3B23

secondary

#6EBDCC

accent

#D0EB3C

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3B23

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

Preview Lab → · Contrast checker → · Palette generator →