#B4221E#B4221E

#B4221E is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.182 H 27.9°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#B4221E
RGB	rgb(180, 34, 30)
HSL	hsl(2, 71%, 41%)
HSV	hsv(2, 83%, 71%)
CMYK	cmyk(0%, 81.1%, 83.3%, 29.4%)
CIE-LAB	lab(39.49, 56.39, 40.32)
CIE-LCH	lch(39.49, 69.32, 35.57°)
OKLab	oklab(50.01% 0.1608 0.0853)
OKLCH	oklch(50.01% 0.182 27.9)
XYZ	xyz(19.6312, 10.9443, 2.3069)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4221E #1EB0B4

analogous

#B41E65 #B4221E #B46D1E

triadic

#B4221E #1EB422 #221EB4

tetradic

#B4221E #65B41E #1EB0B4 #6D1EB4

square

#B4221E #65B41E #1EB0B4 #6D1EB4

split-complementary

#B4221E #1EB46D #1E65B4

monochromatic

#4B0E0D #801815 #B4221E #DD3732 #E66A67

Accessibility & contrast

On white

6.59

#B4221E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B4221E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4221E

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4221E	#FFFFFF	#000000	##FFFFFF
##B4221E	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491B

Deuteranopia (green-blind)

#756816

Tritanopia (blue-blind)

#C70023

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b4221e;
/* rgb */ color: rgb(180, 34, 30);
/* oklch */ color: oklch(50.0% 0.182 27.9);

Tailwind

colors: {
  custom: {
    50: '#d46c5b',
    500: '#b4221e',
    950: '#000000',
  },
}

SCSS

$custom: #b4221e;
$custom-light: #d46c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4221e",
  "rgb": {
    "r": 180,
    "g": 34,
    "b": 30
  },
  "hsl": {
    "h": 1.6,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5001,
    "c": 0.18203,
    "h": 27.9
  },
  "luminance": 0.10941
}

Semantic roles & 50–950 ramp

primary

#B4221E

secondary

#63C8CB

accent

#E9EE3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B4221E

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

Preview Lab → · Contrast checker → · Palette generator →