#B42E37#B42E37

#B42E37 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.170 H 22.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B42E37
RGB	rgb(180, 46, 55)
HSL	hsl(356, 59%, 44%)
HSV	hsv(356, 74%, 71%)
CMYK	cmyk(0%, 74.4%, 69.4%, 29.4%)
CIE-LAB	lab(41.11, 53.63, 27.63)
CIE-LCH	lch(41.11, 60.33, 27.26°)
OKLab	oklab(51.32% 0.1574 0.0642)
OKLCH	oklch(51.32% 0.17 22.2)
XYZ	xyz(20.4912, 11.9362, 4.8386)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E37 #2EB4AB

analogous

#B42E7A #B42E37 #B4682E

triadic

#B42E37 #37B42E #2E37B4

tetradic

#B42E37 #7AB42E #2EB4AB #682EB4

square

#B42E37 #7AB42E #2EB4AB #682EB4

split-complementary

#B42E37 #2EB468 #2E7AB4

monochromatic

#531519 #832228 #B42E37 #D24E56 #DE7E85

Accessibility & contrast

On white

6.20

#B42E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B42E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E37

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E37	#FFFFFF	#000000	##FFFFFF
##B42E37	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F36

Deuteranopia (green-blind)

#766B33

Tritanopia (blue-blind)

#C60033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42e37;
/* rgb */ color: rgb(180, 46, 55);
/* oklch */ color: oklch(51.3% 0.170 22.2);

Tailwind

colors: {
  custom: {
    50: '#d2716e',
    500: '#b42e37',
    950: '#000000',
  },
}

SCSS

$custom: #b42e37;
$custom-light: #d2716e;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e37",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 55
  },
  "hsl": {
    "h": 355.97,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51316,
    "c": 0.17001,
    "h": 22.2
  },
  "luminance": 0.11933
}

Semantic roles & 50–950 ramp

primary

#B42E37

secondary

#77C7C1

accent

#E2D845

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B42E37

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

Preview Lab → · Contrast checker → · Palette generator →