#B42E31#B42E31

#B42E31 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.171 H 24.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B42E31
RGB	rgb(180, 46, 49)
HSL	hsl(359, 59%, 44%)
HSV	hsv(359, 74%, 71%)
CMYK	cmyk(0%, 74.4%, 72.8%, 29.4%)
CIE-LAB	lab(41.03, 53.34, 31.14)
CIE-LCH	lch(41.03, 61.76, 30.28°)
OKLab	oklab(51.22% 0.1552 0.0708)
OKLCH	oklch(51.22% 0.171 24.5)
XYZ	xyz(20.3561, 11.8822, 4.1268)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E31 #2EB4B1

analogous

#B42E74 #B42E31 #B46E2E

triadic

#B42E31 #31B42E #2E31B4

tetradic

#B42E31 #74B42E #2EB4B1 #6E2EB4

square

#B42E31 #74B42E #2EB4B1 #6E2EB4

split-complementary

#B42E31 #2EB46E #2E74B4

monochromatic

#531516 #832224 #B42E31 #D24E51 #DE7E80

Accessibility & contrast

On white

6.22

#B42E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B42E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E31

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E31	#FFFFFF	#000000	##FFFFFF
##B42E31	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E30

Deuteranopia (green-blind)

#776B2C

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42e31;
/* rgb */ color: rgb(180, 46, 49);
/* oklch */ color: oklch(51.2% 0.171 24.5);

Tailwind

colors: {
  custom: {
    50: '#d37169',
    500: '#b42e31',
    950: '#000000',
  },
}

SCSS

$custom: #b42e31;
$custom-light: #d37169;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e31",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 49
  },
  "hsl": {
    "h": 358.657,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51224,
    "c": 0.1706,
    "h": 24.5
  },
  "luminance": 0.11879
}

Semantic roles & 50–950 ramp

primary

#B42E31

secondary

#77C7C5

accent

#E2DF45

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42E31

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

Preview Lab → · Contrast checker → · Palette generator →