#B42B3C#B42B3C

#B42B3C is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.172 H 19.4°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B42B3C
RGB	rgb(180, 43, 60)
HSL	hsl(353, 61%, 44%)
HSV	hsv(353, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 66.7%, 29.4%)
CIE-LAB	lab(40.83, 54.90, 24.22)
CIE-LCH	lch(40.83, 60.01, 23.80°)
OKLab	oklab(51.13% 0.1626 0.0573)
OKLCH	oklch(51.13% 0.172 19.4)
XYZ	xyz(20.5041, 11.7604, 5.4644)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B3C #2BB4A3

analogous

#B42B80 #B42B3C #B45E2B

triadic

#B42B3C #3CB42B #2B3CB4

tetradic

#B42B3C #80B42B #2BB4A3 #5E2BB4

square

#B42B3C #80B42B #2BB4A3 #5E2BB4

split-complementary

#B42B3C #2BB45E #2B80B4

monochromatic

#51131B #831F2C #B42B3C #D3495A #DF7A87

Accessibility & contrast

On white

6.27

#B42B3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B42B3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B3C

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B3C	#FFFFFF	#000000	##FFFFFF
##B42B3C	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)

#534E3C

Deuteranopia (green-blind)

#756B38

Tritanopia (blue-blind)

#C60033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42b3c;
/* rgb */ color: rgb(180, 43, 60);
/* oklch */ color: oklch(51.1% 0.172 19.4);

Tailwind

colors: {
  custom: {
    50: '#d27071',
    500: '#b42b3c',
    950: '#000000',
  },
}

SCSS

$custom: #b42b3c;
$custom-light: #d27071;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b3c",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 60
  },
  "hsl": {
    "h": 352.555,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51132,
    "c": 0.17238,
    "h": 19.4
  },
  "luminance": 0.11757
}

Semantic roles & 50–950 ramp

primary

#B42B3C

secondary

#73C7BD

accent

#E5D143

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B42B3C

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

Preview Lab → · Contrast checker → · Palette generator →