#B4282D#B4282D

#B4282D is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.176 H 24.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B4282D
RGB	rgb(180, 40, 45)
HSL	hsl(358, 64%, 43%)
HSV	hsv(358, 78%, 71%)
CMYK	cmyk(0%, 77.8%, 75%, 29.4%)
CIE-LAB	lab(40.27, 55.14, 32.65)
CIE-LCH	lch(40.27, 64.08, 30.63°)
OKLab	oklab(50.64% 0.16 0.0732)
OKLCH	oklch(50.64% 0.176 24.6)
XYZ	xyz(20.0572, 11.4135, 3.6290)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4282D #28B4AF

analogous

#B42873 #B4282D #B46928

triadic

#B4282D #2DB428 #282DB4

tetradic

#B4282D #73B428 #28B4AF #6928B4

square

#B4282D #73B428 #28B4AF #6928B4

split-complementary

#B4282D #28B469 #2873B4

monochromatic

#501214 #821D20 #B4282D #D54449 #E1767A

Accessibility & contrast

On white

6.40

#B4282D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B4282D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4282D

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4282D	#FFFFFF	#000000	##FFFFFF
##B4282D	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C2C

Deuteranopia (green-blind)

#766A28

Tritanopia (blue-blind)

#C6002C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b4282d;
/* rgb */ color: rgb(180, 40, 45);
/* oklch */ color: oklch(50.6% 0.176 24.6);

Tailwind

colors: {
  custom: {
    50: '#d36f66',
    500: '#b4282d',
    950: '#000000',
  },
}

SCSS

$custom: #b4282d;
$custom-light: #d36f66;
$custom-dark: #000000;

JSON

{
  "hex": "#b4282d",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 45
  },
  "hsl": {
    "h": 357.857,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50642,
    "c": 0.176,
    "h": 24.6
  },
  "luminance": 0.1141
}

Semantic roles & 50–950 ramp

primary

#B4282D

secondary

#70C8C5

accent

#E7E141

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B4282D

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

Preview Lab → · Contrast checker → · Palette generator →