#B42C1C#B42C1C

#B42C1C is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.175 H 30.6°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B42C1C
RGB	rgb(180, 44, 28)
HSL	hsl(6, 73%, 41%)
HSV	hsv(6, 84%, 71%)
CMYK	cmyk(0%, 75.6%, 84.4%, 29.4%)
CIE-LAB	lab(40.56, 53.28, 42.34)
CIE-LCH	lch(40.56, 68.06, 38.47°)
OKLab	oklab(50.8% 0.1507 0.089)
OKLCH	oklch(50.8% 0.175 30.6)
XYZ	xyz(19.9351, 11.5917, 2.2861)
Luminance	0.1159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42C1C #1CA4B4

analogous

#B41C58 #B42C1C #B4781C

triadic

#B42C1C #1CB42C #2C1CB4

tetradic

#B42C1C #58B41C #1CA4B4 #781CB4

square

#B42C1C #58B41C #1CA4B4 #781CB4

split-complementary

#B42C1C #1CB478 #1C58B4

monochromatic

#4A120C #7F1F14 #B42C1C #DF412F #E77164

Accessibility & contrast

On white

6.33

#B42C1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B42C1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42C1C

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42C1C	#FFFFFF	#000000	##FFFFFF
##B42C1C	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)

#564C18

Deuteranopia (green-blind)

#786A14

Tritanopia (blue-blind)

#C7002A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42c1c;
/* rgb */ color: rgb(180, 44, 28);
/* oklch */ color: oklch(50.8% 0.175 30.6);

Tailwind

colors: {
  custom: {
    50: '#d4705b',
    500: '#b42c1c',
    950: '#000000',
  },
}

SCSS

$custom: #b42c1c;
$custom-light: #d4705b;
$custom-dark: #000000;

JSON

{
  "hex": "#b42c1c",
  "rgb": {
    "r": 180,
    "g": 44,
    "b": 28
  },
  "hsl": {
    "h": 6.316,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50804,
    "c": 0.17504,
    "h": 30.6
  },
  "luminance": 0.11589
}

Semantic roles & 50–950 ramp

primary

#B42C1C

secondary

#60C0CC

accent

#DCF038

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B42C1C

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

Preview Lab → · Contrast checker → · Palette generator →