#BB4031#BB4031

#BB4031 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.3% C 0.161 H 30.1°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#BB4031
RGB	rgb(187, 64, 49)
HSL	hsl(7, 58%, 46%)
HSV	hsv(7, 74%, 73%)
CMYK	cmyk(0%, 65.8%, 73.8%, 26.7%)
CIE-LAB	lab(44.88, 48.64, 35.87)
CIE-LCH	lch(44.88, 60.43, 36.41°)
OKLab	oklab(54.34% 0.1396 0.0807)
OKLCH	oklch(54.34% 0.161 30.1)
XYZ	xyz(22.8838, 14.4566, 4.4906)
Luminance	0.1445 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4031 #31ACBB

analogous

#BB3167 #BB4031 #BB8531

triadic

#BB4031 #31BB40 #4031BB

tetradic

#BB4031 #67BB31 #31ACBB #8531BB

square

#BB4031 #67BB31 #31ACBB #8531BB

split-complementary

#BB4031 #31BB85 #3167BB

monochromatic

#5A1F18 #8B2F24 #BB4031 #D36456 #E09187

Accessibility & contrast

On white

5.40

#BB4031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#BB4031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4031

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4031	#FFFFFF	#000000	##FFFFFF
##BB4031	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#81742D

Tritanopia (blue-blind)

#CE1E3D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb4031;
/* rgb */ color: rgb(187, 64, 49);
/* oklch */ color: oklch(54.3% 0.161 30.1);

Tailwind

colors: {
  custom: {
    50: '#d77b6a',
    500: '#bb4031',
    950: '#000000',
  },
}

SCSS

$custom: #bb4031;
$custom-light: #d77b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4031",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 49
  },
  "hsl": {
    "h": 6.522,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54343,
    "c": 0.16122,
    "h": 30.1
  },
  "luminance": 0.14453
}

Semantic roles & 50–950 ramp

primary

#BB4031

secondary

#7FC1C9

accent

#D1E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #BB4031

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

Preview Lab → · Contrast checker → · Palette generator →