#B42A2A#B42A2A

#B42A2A is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.8% C 0.175 H 26.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#B42A2A
RGB	rgb(180, 42, 42)
HSL	hsl(0, 62%, 44%)
HSV	hsv(0, 77%, 71%)
CMYK	cmyk(0%, 76.7%, 76.7%, 29.4%)
CIE-LAB	lab(40.46, 54.39, 34.62)
CIE-LCH	lch(40.46, 64.47, 32.48°)
OKLab	oklab(50.77% 0.157 0.0768)
OKLCH	oklch(50.77% 0.175 26.1)
XYZ	xyz(20.0706, 11.5296, 3.3587)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42A2A #2AB4B4

analogous

#B42A6F #B42A2A #B46F2A

triadic

#B42A2A #2AB42A #2A2AB4

tetradic

#B42A2A #6FB42A #2AB4B4 #6F2AB4

square

#B42A2A #6FB42A #2AB4B4 #6F2AB4

split-complementary

#B42A2A #2AB46F #2A6FB4

monochromatic

#511313 #821E1E #B42A2A #D44747 #E07979

Accessibility & contrast

On white

6.35

#B42A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B42A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42A2A

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42A2A	#FFFFFF	#000000	##FFFFFF
##B42A2A	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C28

Deuteranopia (green-blind)

#766A24

Tritanopia (blue-blind)

#C6002C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42a2a;
/* rgb */ color: rgb(180, 42, 42);
/* oklch */ color: oklch(50.8% 0.175 26.1);

Tailwind

colors: {
  custom: {
    50: '#d36f64',
    500: '#b42a2a',
    950: '#000000',
  },
}

SCSS

$custom: #b42a2a;
$custom-light: #d36f64;
$custom-dark: #000000;

JSON

{
  "hex": "#b42a2a",
  "rgb": {
    "r": 180,
    "g": 42,
    "b": 42
  },
  "hsl": {
    "h": 0,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50772,
    "c": 0.17476,
    "h": 26.1
  },
  "luminance": 0.11526
}

Semantic roles & 50–950 ramp

primary

#B42A2A

secondary

#72C8C8

accent

#E5E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B42A2A

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

Preview Lab → · Contrast checker → · Palette generator →