#B4282E#B4282E

#B4282E is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.7% C 0.176 H 24.2°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B4282E
RGB	rgb(180, 40, 46)
HSL	hsl(357, 64%, 43%)
HSV	hsv(357, 78%, 71%)
CMYK	cmyk(0%, 77.8%, 74.4%, 29.4%)
CIE-LAB	lab(40.28, 55.18, 32.07)
CIE-LCH	lch(40.28, 63.83, 30.16°)
OKLab	oklab(50.65% 0.1604 0.0722)
OKLCH	oklch(50.65% 0.176 24.2)
XYZ	xyz(20.0767, 11.4213, 3.7316)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4282E #28B4AE

analogous

#B42874 #B4282E #B46828

triadic

#B4282E #2EB428 #282EB4

tetradic

#B4282E #74B428 #28B4AE #6828B4

square

#B4282E #74B428 #28B4AE #6828B4

split-complementary

#B4282E #28B468 #2874B4

monochromatic

#501214 #821D21 #B4282E #D5444A #E1767A

Accessibility & contrast

On white

6.40

#B4282E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B4282E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4282E

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4282E	#FFFFFF	#000000	##FFFFFF
##B4282E	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)

#534C2D

Deuteranopia (green-blind)

#766A29

Tritanopia (blue-blind)

#C6002C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b4282e;
/* rgb */ color: rgb(180, 40, 46);
/* oklch */ color: oklch(50.7% 0.176 24.2);

Tailwind

colors: {
  custom: {
    50: '#d36f67',
    500: '#b4282e',
    950: '#000000',
  },
}

SCSS

$custom: #b4282e;
$custom-light: #d36f67;
$custom-dark: #000000;

JSON

{
  "hex": "#b4282e",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 46
  },
  "hsl": {
    "h": 357.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50655,
    "c": 0.1759,
    "h": 24.2
  },
  "luminance": 0.11418
}

Semantic roles & 50–950 ramp

primary

#B4282E

secondary

#70C8C4

accent

#E7E041

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B4282E

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

Preview Lab → · Contrast checker → · Palette generator →