#BB231E#BB231E

#BB231E is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.4% C 0.188 H 28.2°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#BB231E
RGB	rgb(187, 35, 30)
HSL	hsl(2, 72%, 43%)
HSV	hsv(2, 84%, 73%)
CMYK	cmyk(0%, 81.3%, 84%, 26.7%)
CIE-LAB	lab(41.00, 58.17, 42.24)
CIE-LCH	lch(41.00, 71.89, 35.99°)
OKLab	oklab(51.38% 0.1657 0.0888)
OKLCH	oklch(51.38% 0.188 28.2)
XYZ	xyz(21.3316, 11.8641, 2.3949)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB231E #1EB6BB

analogous

#BB1E67 #BB231E #BB721E

triadic

#BB231E #1EBB23 #231EBB

tetradic

#BB231E #67BB1E #1EB6BB #721EBB

square

#BB231E #67BB1E #1EB6BB #721EBB

split-complementary

#BB231E #1EBB72 #1E67BB

monochromatic

#520F0D #861916 #BB231E #DF3D37 #E7706C

Accessibility & contrast

On white

6.23

#BB231E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#BB231E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB231E

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB231E	#FFFFFF	#000000	##FFFFFF
##BB231E	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C1B

Deuteranopia (green-blind)

#7A6C15

Tritanopia (blue-blind)

#CE0024

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #bb231e;
/* rgb */ color: rgb(187, 35, 30);
/* oklch */ color: oklch(51.4% 0.188 28.2);

Tailwind

colors: {
  custom: {
    50: '#da6e5c',
    500: '#bb231e',
    950: '#000000',
  },
}

SCSS

$custom: #bb231e;
$custom-light: #da6e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb231e",
  "rgb": {
    "r": 187,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 1.911,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51383,
    "c": 0.18793,
    "h": 28.2
  },
  "luminance": 0.11861
}

Semantic roles & 50–950 ramp

primary

#BB231E

secondary

#67CACD

accent

#E9EF39

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170804

muted

#857B79

Preview Lab

Preview with #BB231E

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

Preview Lab → · Contrast checker → · Palette generator →