#B42D2A#B42D2A

#B42D2A is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.172 H 26.8°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B42D2A
RGB	rgb(180, 45, 42)
HSL	hsl(1, 62%, 44%)
HSV	hsv(1, 77%, 71%)
CMYK	cmyk(0%, 75%, 76.7%, 29.4%)
CIE-LAB	lab(40.82, 53.39, 35.01)
CIE-LCH	lch(40.82, 63.84, 33.25°)
OKLab	oklab(51.04% 0.1538 0.0776)
OKLCH	oklch(51.04% 0.172 26.8)
XYZ	xyz(20.1811, 11.7504, 3.3955)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42D2A #2AB1B4

analogous

#B42A6C #B42D2A #B4722A

triadic

#B42D2A #2AB42D #2D2AB4

tetradic

#B42D2A #6CB42A #2AB1B4 #722AB4

square

#B42D2A #6CB42A #2AB1B4 #722AB4

split-complementary

#B42D2A #2AB472 #2A6CB4

monochromatic

#511413 #82211E #B42D2A #D44A47 #E07B79

Accessibility & contrast

On white

6.27

#B42D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B42D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42D2A

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42D2A	#FFFFFF	#000000	##FFFFFF
##B42D2A	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D28

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42d2a;
/* rgb */ color: rgb(180, 45, 42);
/* oklch */ color: oklch(51.0% 0.172 26.8);

Tailwind

colors: {
  custom: {
    50: '#d37164',
    500: '#b42d2a',
    950: '#000000',
  },
}

SCSS

$custom: #b42d2a;
$custom-light: #d37164;
$custom-dark: #000000;

JSON

{
  "hex": "#b42d2a",
  "rgb": {
    "r": 180,
    "g": 45,
    "b": 42
  },
  "hsl": {
    "h": 1.304,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51038,
    "c": 0.17232,
    "h": 26.8
  },
  "luminance": 0.11747
}

Semantic roles & 50–950 ramp

primary

#B42D2A

secondary

#72C6C8

accent

#E2E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B42D2A

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

Preview Lab → · Contrast checker → · Palette generator →