#B42A1C#B42A1C

#B42A1C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.177 H 30.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B42A1C
RGB	rgb(180, 42, 28)
HSL	hsl(6, 73%, 41%)
HSV	hsv(6, 84%, 71%)
CMYK	cmyk(0%, 76.7%, 84.4%, 29.4%)
CIE-LAB	lab(40.32, 53.94, 42.13)
CIE-LCH	lch(40.32, 68.44, 37.99°)
OKLab	oklab(50.63% 0.1528 0.0885)
OKLCH	oklch(50.63% 0.177 30.1)
XYZ	xyz(19.8624, 11.4463, 2.2619)
Luminance	0.1144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42A1C #1CA6B4

analogous

#B41C5A #B42A1C #B4761C

triadic

#B42A1C #1CB42A #2A1CB4

tetradic

#B42A1C #5AB41C #1CA6B4 #761CB4

square

#B42A1C #5AB41C #1CA6B4 #761CB4

split-complementary

#B42A1C #1CB476 #1C5AB4

monochromatic

#4A110C #7F1E14 #B42A1C #DF3F2F #E77064

Accessibility & contrast

On white

6.39

#B42A1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B42A1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42A1C

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42A1C	#FFFFFF	#000000	##FFFFFF
##B42A1C	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C18

Deuteranopia (green-blind)

#776A14

Tritanopia (blue-blind)

#C70029

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42a1c;
/* rgb */ color: rgb(180, 42, 28);
/* oklch */ color: oklch(50.6% 0.177 30.1);

Tailwind

colors: {
  custom: {
    50: '#d46f5a',
    500: '#b42a1c',
    950: '#000000',
  },
}

SCSS

$custom: #b42a1c;
$custom-light: #d46f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b42a1c",
  "rgb": {
    "r": 180,
    "g": 42,
    "b": 28
  },
  "hsl": {
    "h": 5.526,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50627,
    "c": 0.17659,
    "h": 30.1
  },
  "luminance": 0.11443
}

Semantic roles & 50–950 ramp

primary

#B42A1C

secondary

#60C2CC

accent

#DFF038

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B42A1C

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

Preview Lab → · Contrast checker → · Palette generator →