#B43F1C#B43F1C

#B43F1C is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.159 H 36.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B43F1C
RGB	rgb(180, 63, 28)
HSL	hsl(14, 73%, 41%)
HSV	hsv(14, 84%, 71%)
CMYK	cmyk(0%, 65%, 84.4%, 29.4%)
CIE-LAB	lab(43.28, 45.85, 44.77)
CIE-LCH	lch(43.28, 64.09, 44.32°)
OKLab	oklab(52.84% 0.1278 0.0945)
OKLCH	oklch(52.84% 0.159 36.5)
XYZ	xyz(20.8119, 13.3452, 2.5784)
Luminance	0.1334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F1C #1C91B4

analogous

#B41C45 #B43F1C #B48B1C

triadic

#B43F1C #1CB43F #3F1CB4

tetradic

#B43F1C #45B41C #1C91B4 #8B1CB4

square

#B43F1C #45B41C #1C91B4 #8B1CB4

split-complementary

#B43F1C #1CB48B #1C45B4

monochromatic

#4A1A0C #7F2C14 #B43F1C #DF572F #E78264

Accessibility & contrast

On white

5.72

#B43F1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B43F1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F1C

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F1C	#FFFFFF	#000000	##FFFFFF
##B43F1C	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615616

Deuteranopia (green-blind)

#7E7016

Tritanopia (blue-blind)

#C61D38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f1c;
/* rgb */ color: rgb(180, 63, 28);
/* oklch */ color: oklch(52.8% 0.159 36.5);

Tailwind

colors: {
  custom: {
    50: '#d3795c',
    500: '#b43f1c',
    950: '#000000',
  },
}

SCSS

$custom: #b43f1c;
$custom-light: #d3795c;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f1c",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 28
  },
  "hsl": {
    "h": 13.816,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52842,
    "c": 0.15889,
    "h": 36.5
  },
  "luminance": 0.13342
}

Semantic roles & 50–950 ramp

primary

#B43F1C

secondary

#60B3CC

accent

#C5F038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43F1C

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

Preview Lab → · Contrast checker → · Palette generator →