#B42D1C#B42D1C

#B42D1C is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.174 H 30.8°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B42D1C
RGB	rgb(180, 45, 28)
HSL	hsl(7, 73%, 41%)
HSV	hsv(7, 84%, 71%)
CMYK	cmyk(0%, 75%, 84.4%, 29.4%)
CIE-LAB	lab(40.68, 52.94, 42.45)
CIE-LCH	lch(40.68, 67.86, 38.72°)
OKLab	oklab(50.9% 0.1497 0.0892)
OKLCH	oklch(50.9% 0.174 30.8)
XYZ	xyz(19.9728, 11.6671, 2.2987)
Luminance	0.1166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42D1C #1CA3B4

analogous

#B41C57 #B42D1C #B4791C

triadic

#B42D1C #1CB42D #2D1CB4

tetradic

#B42D1C #57B41C #1CA3B4 #791CB4

square

#B42D1C #57B41C #1CA3B4 #791CB4

split-complementary

#B42D1C #1CB479 #1C57B4

monochromatic

#4A130C #7F2014 #B42D1C #DF422F #E77264

Accessibility & contrast

On white

6.30

#B42D1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42D1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42D1C

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42D1C	#FFFFFF	#000000	##FFFFFF
##B42D1C	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D18

Deuteranopia (green-blind)

#786B14

Tritanopia (blue-blind)

#C7002B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42d1c;
/* rgb */ color: rgb(180, 45, 28);
/* oklch */ color: oklch(50.9% 0.174 30.8);

Tailwind

colors: {
  custom: {
    50: '#d4705b',
    500: '#b42d1c',
    950: '#000000',
  },
}

SCSS

$custom: #b42d1c;
$custom-light: #d4705b;
$custom-dark: #000000;

JSON

{
  "hex": "#b42d1c",
  "rgb": {
    "r": 180,
    "g": 45,
    "b": 28
  },
  "hsl": {
    "h": 6.711,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50895,
    "c": 0.17426,
    "h": 30.8
  },
  "luminance": 0.11664
}

Semantic roles & 50–950 ramp

primary

#B42D1C

secondary

#60C0CC

accent

#DBF038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B42D1C

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

Preview Lab → · Contrast checker → · Palette generator →