#B43A1C#B43A1C

#B43A1C is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.163 H 34.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B43A1C
RGB	rgb(180, 58, 28)
HSL	hsl(12, 73%, 41%)
HSV	hsv(12, 84%, 71%)
CMYK	cmyk(0%, 67.8%, 84.4%, 29.4%)
CIE-LAB	lab(42.49, 47.99, 44.07)
CIE-LCH	lch(42.49, 65.15, 42.56°)
OKLab	oklab(52.25% 0.1343 0.0929)
OKLCH	oklch(52.25% 0.163 34.7)
XYZ	xyz(20.5474, 12.8163, 2.4903)
Luminance	0.1281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A1C #1C96B4

analogous

#B41C4A #B43A1C #B4861C

triadic

#B43A1C #1CB43A #3A1CB4

tetradic

#B43A1C #4AB41C #1C96B4 #861CB4

square

#B43A1C #4AB41C #1C96B4 #861CB4

split-complementary

#B43A1C #1CB486 #1C4AB4

monochromatic

#4A180C #7F2914 #B43A1C #DF512F #E77D64

Accessibility & contrast

On white

5.89

#B43A1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B43A1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A1C

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A1C	#FFFFFF	#000000	##FFFFFF
##B43A1C	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5317

Deuteranopia (green-blind)

#7C6E15

Tritanopia (blue-blind)

#C61034

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43a1c;
/* rgb */ color: rgb(180, 58, 28);
/* oklch */ color: oklch(52.2% 0.163 34.7);

Tailwind

colors: {
  custom: {
    50: '#d4775b',
    500: '#b43a1c',
    950: '#000000',
  },
}

SCSS

$custom: #b43a1c;
$custom-light: #d4775b;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a1c",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 28
  },
  "hsl": {
    "h": 11.842,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.16332,
    "h": 34.7
  },
  "luminance": 0.12813
}

Semantic roles & 50–950 ramp

primary

#B43A1C

secondary

#60B6CC

accent

#CBF038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43A1C

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

Preview Lab → · Contrast checker → · Palette generator →