#B42F3A#B42F3A

#B42F3A is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.169 H 21.2°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B42F3A
RGB	rgb(180, 47, 58)
HSL	hsl(355, 59%, 45%)
HSV	hsv(355, 74%, 71%)
CMYK	cmyk(0%, 73.9%, 67.8%, 29.4%)
CIE-LAB	lab(41.29, 53.44, 26.01)
CIE-LCH	lch(41.29, 59.43, 25.96°)
OKLab	oklab(51.46% 0.1575 0.0611)
OKLCH	oklch(51.46% 0.169 21.2)
XYZ	xyz(20.6049, 12.0449, 5.2421)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F3A #2FB4A9

analogous

#B42F7C #B42F3A #B4672F

triadic

#B42F3A #3AB42F #2F3AB4

tetradic

#B42F3A #7CB42F #2FB4A9 #672FB4

square

#B42F3A #7CB42F #2FB4A9 #672FB4

split-complementary

#B42F3A #2FB467 #2F7CB4

monochromatic

#53161B #83222A #B42F3A #D14F5A #DE8087

Accessibility & contrast

On white

6.16

#B42F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B42F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F3A

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F3A	#FFFFFF	#000000	##FFFFFF
##B42F3A	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F39

Deuteranopia (green-blind)

#766C36

Tritanopia (blue-blind)

#C60034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42f3a;
/* rgb */ color: rgb(180, 47, 58);
/* oklch */ color: oklch(51.5% 0.169 21.2);

Tailwind

colors: {
  custom: {
    50: '#d27270',
    500: '#b42f3a',
    950: '#000000',
  },
}

SCSS

$custom: #b42f3a;
$custom-light: #d27270;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f3a",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 58
  },
  "hsl": {
    "h": 355.038,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5146,
    "c": 0.16888,
    "h": 21.2
  },
  "luminance": 0.12042
}

Semantic roles & 50–950 ramp

primary

#B42F3A

secondary

#78C7C0

accent

#E2D546

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B42F3A

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

Preview Lab → · Contrast checker → · Palette generator →