#B42B3A#B42B3A

#B42B3A is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.1% C 0.172 H 20.3°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B42B3A
RGB	rgb(180, 43, 58)
HSL	hsl(353, 61%, 44%)
HSV	hsv(353, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 67.8%, 29.4%)
CIE-LAB	lab(40.80, 54.80, 25.41)
CIE-LCH	lch(40.80, 60.40, 24.88°)
OKLab	oklab(51.1% 0.1618 0.0597)
OKLCH	oklch(51.1% 0.172 20.3)
XYZ	xyz(20.4522, 11.7396, 5.1912)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B3A #2BB4A5

analogous

#B42B7E #B42B3A #B4602B

triadic

#B42B3A #3AB42B #2B3AB4

tetradic

#B42B3A #7EB42B #2BB4A5 #602BB4

square

#B42B3A #7EB42B #2BB4A5 #602BB4

split-complementary

#B42B3A #2BB460 #2B7EB4

monochromatic

#51131A #831F2A #B42B3A #D34958 #DF7A85

Accessibility & contrast

On white

6.27

#B42B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B42B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B3A

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B3A	#FFFFFF	#000000	##FFFFFF
##B42B3A	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)

#534E39

Deuteranopia (green-blind)

#756B36

Tritanopia (blue-blind)

#C60032

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42b3a;
/* rgb */ color: rgb(180, 43, 58);
/* oklch */ color: oklch(51.1% 0.172 20.3);

Tailwind

colors: {
  custom: {
    50: '#d27070',
    500: '#b42b3a',
    950: '#000000',
  },
}

SCSS

$custom: #b42b3a;
$custom-light: #d27070;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b3a",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 58
  },
  "hsl": {
    "h": 353.431,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51097,
    "c": 0.17246,
    "h": 20.3
  },
  "luminance": 0.11737
}

Semantic roles & 50–950 ramp

primary

#B42B3A

secondary

#73C7BE

accent

#E5D343

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B42B3A

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

Preview Lab → · Contrast checker → · Palette generator →