#B42E3F#B42E3F

#B42E3F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.170 H 18.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B42E3F
RGB	rgb(180, 46, 63)
HSL	hsl(352, 59%, 44%)
HSV	hsv(352, 74%, 71%)
CMYK	cmyk(0%, 74.4%, 65%, 29.4%)
CIE-LAB	lab(41.25, 54.07, 22.88)
CIE-LCH	lch(41.25, 58.71, 22.94°)
OKLab	oklab(51.46% 0.1605 0.0546)
OKLCH	oklch(51.46% 0.17 18.8)
XYZ	xyz(20.6988, 12.0192, 5.9317)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E3F #2EB4A3

analogous

#B42E82 #B42E3F #B4602E

triadic

#B42E3F #3FB42E #2E3FB4

tetradic

#B42E3F #82B42E #2EB4A3 #602EB4

square

#B42E3F #82B42E #2EB4A3 #602EB4

split-complementary

#B42E3F #2EB460 #2E82B4

monochromatic

#53151D #83222E #B42E3F #D24E5E #DE7E8A

Accessibility & contrast

On white

6.17

#B42E3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B42E3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E3F

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E3F	#FFFFFF	#000000	##FFFFFF
##B42E3F	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3F

Deuteranopia (green-blind)

#766C3B

Tritanopia (blue-blind)

#C60035

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42e3f;
/* rgb */ color: rgb(180, 46, 63);
/* oklch */ color: oklch(51.5% 0.170 18.8);

Tailwind

colors: {
  custom: {
    50: '#d27273',
    500: '#b42e3f',
    950: '#000000',
  },
}

SCSS

$custom: #b42e3f;
$custom-light: #d27273;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e3f",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 63
  },
  "hsl": {
    "h": 352.388,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51457,
    "c": 0.16956,
    "h": 18.8
  },
  "luminance": 0.12016
}

Semantic roles & 50–950 ramp

primary

#B42E3F

secondary

#77C7BD

accent

#E2CF45

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42E3F

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

Preview Lab → · Contrast checker → · Palette generator →