#BB3123#BB3123

#BB3123 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.177 H 29.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#BB3123
RGB	rgb(187, 49, 35)
HSL	hsl(6, 68%, 44%)
HSV	hsv(6, 81%, 73%)
CMYK	cmyk(0%, 73.8%, 81.3%, 26.7%)
CIE-LAB	lab(42.59, 53.97, 41.13)
CIE-LCH	lch(42.59, 67.85, 37.31°)
OKLab	oklab(52.58% 0.1535 0.0882)
OKLCH	oklch(52.58% 0.177 29.9)
XYZ	xyz(21.8978, 12.8862, 2.9241)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3123 #23ADBB

analogous

#BB2361 #BB3123 #BB7D23

triadic

#BB3123 #23BB31 #3123BB

tetradic

#BB3123 #61BB23 #23ADBB #7D23BB

square

#BB3123 #61BB23 #23ADBB #7D23BB

split-complementary

#BB3123 #23BB7D #2361BB

monochromatic

#541610 #872319 #BB3123 #DB4E40 #E57E74

Accessibility & contrast

On white

5.87

#BB3123 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#BB3123 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3123

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3123	#FFFFFF	#000000	##FFFFFF
##BB3123	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5120

Deuteranopia (green-blind)

#7D701C

Tritanopia (blue-blind)

#CE002F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3123;
/* rgb */ color: rgb(187, 49, 35);
/* oklch */ color: oklch(52.6% 0.177 29.9);

Tailwind

colors: {
  custom: {
    50: '#d97360',
    500: '#bb3123',
    950: '#000000',
  },
}

SCSS

$custom: #bb3123;
$custom-light: #d97360;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3123",
  "rgb": {
    "r": 187,
    "g": 49,
    "b": 35
  },
  "hsl": {
    "h": 5.526,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52582,
    "c": 0.177,
    "h": 29.9
  },
  "luminance": 0.12883
}

Semantic roles & 50–950 ramp

primary

#BB3123

secondary

#6EC3CC

accent

#DBEB3C

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170905

muted

#857B79

Preview Lab

Preview with #BB3123

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

Preview Lab → · Contrast checker → · Palette generator →