#B42D16#B42D16

#B42D16 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.9% C 0.175 H 32.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B42D16
RGB	rgb(180, 45, 22)
HSL	hsl(9, 78%, 40%)
HSV	hsv(9, 88%, 71%)
CMYK	cmyk(0%, 75%, 87.8%, 29.4%)
CIE-LAB	lab(40.64, 52.80, 45.26)
CIE-LCH	lch(40.64, 69.54, 40.60°)
OKLab	oklab(50.85% 0.1483 0.0931)
OKLCH	oklch(50.85% 0.175 32.1)
XYZ	xyz(19.9081, 11.6412, 1.9576)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42D16 #169DB4

analogous

#B4164E #B42D16 #B47C16

triadic

#B42D16 #16B42D #2D16B4

tetradic

#B42D16 #4EB416 #169DB4 #7C16B4

square

#B42D16 #4EB416 #169DB4 #7C16B4

split-complementary

#B42D16 #16B47C #164EB4

monochromatic

#471209 #7D1F0F #B42D16 #E43F23 #EB6F5A

Accessibility & contrast

On white

6.31

#B42D16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42D16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42D16

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42D16	#FFFFFF	#000000	##FFFFFF
##B42D16	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)

#574D11

Deuteranopia (green-blind)

#786B0B

Tritanopia (blue-blind)

#C7002A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42d16;
/* rgb */ color: rgb(180, 45, 22);
/* oklch */ color: oklch(50.9% 0.175 32.1);

Tailwind

colors: {
  custom: {
    50: '#d47057',
    500: '#b42d16',
    950: '#000000',
  },
}

SCSS

$custom: #b42d16;
$custom-light: #d47057;
$custom-dark: #000000;

JSON

{
  "hex": "#b42d16",
  "rgb": {
    "r": 180,
    "g": 45,
    "b": 22
  },
  "hsl": {
    "h": 8.734,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50851,
    "c": 0.17505,
    "h": 32.1
  },
  "luminance": 0.11638
}

Semantic roles & 50–950 ramp

primary

#B42D16

secondary

#58BDCE

accent

#D9F533

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42D16

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

Preview Lab → · Contrast checker → · Palette generator →