#B42A37#B42A37

#B42A37 is a mid, vivid red. Relative luminance 0.116; OKLCH L 51.0% C 0.173 H 21.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B42A37
RGB	rgb(180, 42, 55)
HSL	hsl(354, 62%, 44%)
HSV	hsv(354, 77%, 71%)
CMYK	cmyk(0%, 76.7%, 69.4%, 29.4%)
CIE-LAB	lab(40.64, 54.96, 27.05)
CIE-LCH	lch(40.64, 61.26, 26.20°)
OKLab	oklab(50.96% 0.1617 0.0629)
OKLCH	oklch(50.96% 0.174 21.3)
XYZ	xyz(20.3422, 11.6382, 4.7890)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42A37 #2AB4A7

analogous

#B42A7C #B42A37 #B4622A

triadic

#B42A37 #37B42A #2A37B4

tetradic

#B42A37 #7CB42A #2AB4A7 #622AB4

square

#B42A37 #7CB42A #2AB4A7 #622AB4

split-complementary

#B42A37 #2AB462 #2A7CB4

monochromatic

#511319 #821E28 #B42A37 #D44754 #E07982

Accessibility & contrast

On white

6.31

#B42A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42A37

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42A37	#FFFFFF	#000000	##FFFFFF
##B42A37	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#756A33

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42a37;
/* rgb */ color: rgb(180, 42, 55);
/* oklch */ color: oklch(51.0% 0.173 21.3);

Tailwind

colors: {
  custom: {
    50: '#d3706d',
    500: '#b42a37',
    950: '#000000',
  },
}

SCSS

$custom: #b42a37;
$custom-light: #d3706d;
$custom-dark: #000000;

JSON

{
  "hex": "#b42a37",
  "rgb": {
    "r": 180,
    "g": 42,
    "b": 55
  },
  "hsl": {
    "h": 354.348,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50959,
    "c": 0.1735,
    "h": 21.3
  },
  "luminance": 0.11635
}

Semantic roles & 50–950 ramp

primary

#B42A37

secondary

#72C8C0

accent

#E5D643

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B42A37

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

Preview Lab → · Contrast checker → · Palette generator →