#B42C1A#B42C1A

#B42C1A is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.175 H 31.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B42C1A
RGB	rgb(180, 44, 26)
HSL	hsl(7, 75%, 40%)
HSV	hsv(7, 86%, 71%)
CMYK	cmyk(0%, 75.6%, 85.6%, 29.4%)
CIE-LAB	lab(40.54, 53.23, 43.31)
CIE-LCH	lch(40.54, 68.63, 39.13°)
OKLab	oklab(50.79% 0.1502 0.0904)
OKLCH	oklch(50.79% 0.175 31)
XYZ	xyz(19.9120, 11.5824, 2.1643)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42C1A #1AA2B4

analogous

#B41A55 #B42C1A #B4791A

triadic

#B42C1A #1AB42C #2C1AB4

tetradic

#B42C1A #55B41A #1AA2B4 #791AB4

square

#B42C1A #55B41A #1AA2B4 #791AB4

split-complementary

#B42C1A #1AB479 #1A55B4

monochromatic

#49120B #7F1F12 #B42C1A #E0402B #E87060

Accessibility & contrast

On white

6.33

#B42C1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B42C1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42C1A

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42C1A	#FFFFFF	#000000	##FFFFFF
##B42C1A	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C16

Deuteranopia (green-blind)

#786A11

Tritanopia (blue-blind)

#C7002A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42c1a;
/* rgb */ color: rgb(180, 44, 26);
/* oklch */ color: oklch(50.8% 0.175 31.0);

Tailwind

colors: {
  custom: {
    50: '#d47059',
    500: '#b42c1a',
    950: '#000000',
  },
}

SCSS

$custom: #b42c1a;
$custom-light: #d47059;
$custom-dark: #000000;

JSON

{
  "hex": "#b42c1a",
  "rgb": {
    "r": 180,
    "g": 44,
    "b": 26
  },
  "hsl": {
    "h": 7.013,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50788,
    "c": 0.17531,
    "h": 31
  },
  "luminance": 0.11579
}

Semantic roles & 50–950 ramp

primary

#B42C1A

secondary

#5DBFCC

accent

#DCF136

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B42C1A

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

Preview Lab → · Contrast checker → · Palette generator →