#BB3923#BB3923

#BB3923 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.170 H 32.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#BB3923
RGB	rgb(187, 57, 35)
HSL	hsl(9, 68%, 44%)
HSV	hsv(9, 81%, 73%)
CMYK	cmyk(0%, 69.5%, 81.3%, 26.7%)
CIE-LAB	lab(43.68, 50.98, 42.18)
CIE-LCH	lch(43.68, 66.17, 39.60°)
OKLab	oklab(53.39% 0.1441 0.0905)
OKLCH	oklch(53.39% 0.17 32.1)
XYZ	xyz(22.2626, 13.6158, 3.0457)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3923 #23A5BB

analogous

#BB2359 #BB3923 #BB8523

triadic

#BB3923 #23BB39 #3923BB

tetradic

#BB3923 #59BB23 #23A5BB #8523BB

square

#BB3923 #59BB23 #23A5BB #8523BB

split-complementary

#BB3923 #23BB85 #2359BB

monochromatic

#541A10 #872919 #BB3923 #DB5640 #E58474

Accessibility & contrast

On white

5.64

#BB3923 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BB3923 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3923

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3923	#FFFFFF	#000000	##FFFFFF
##BB3923	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)

#5F551F

Deuteranopia (green-blind)

#7F721D

Tritanopia (blue-blind)

#CE0535

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3923;
/* rgb */ color: rgb(187, 57, 35);
/* oklch */ color: oklch(53.4% 0.170 32.1);

Tailwind

colors: {
  custom: {
    50: '#d97760',
    500: '#bb3923',
    950: '#000000',
  },
}

SCSS

$custom: #bb3923;
$custom-light: #d97760;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3923",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 35
  },
  "hsl": {
    "h": 8.684,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53394,
    "c": 0.17021,
    "h": 32.1
  },
  "luminance": 0.13612
}

Semantic roles & 50–950 ramp

primary

#BB3923

secondary

#6EBECC

accent

#D2EB3C

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3923

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

Preview Lab → · Contrast checker → · Palette generator →