#B43E1A#B43E1A

#B43E1A is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.160 H 36.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B43E1A
RGB	rgb(180, 62, 26)
HSL	hsl(14, 75%, 40%)
HSV	hsv(14, 86%, 71%)
CMYK	cmyk(0%, 65.6%, 85.6%, 29.4%)
CIE-LAB	lab(43.10, 46.24, 45.53)
CIE-LCH	lch(43.10, 64.89, 44.56°)
OKLab	oklab(52.71% 0.1286 0.0954)
OKLCH	oklch(52.71% 0.16 36.6)
XYZ	xyz(20.7339, 13.2262, 2.4382)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E1A #1A90B4

analogous

#B41A43 #B43E1A #B48B1A

triadic

#B43E1A #1AB43E #3E1AB4

tetradic

#B43E1A #43B41A #1A90B4 #8B1AB4

square

#B43E1A #43B41A #1A90B4 #8B1AB4

split-complementary

#B43E1A #1AB48B #1A43B4

monochromatic

#49190B #7F2C12 #B43E1A #E0552B #E88060

Accessibility & contrast

On white

5.76

#B43E1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B43E1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E1A

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E1A	#FFFFFF	#000000	##FFFFFF
##B43E1A	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605514

Deuteranopia (green-blind)

#7D7013

Tritanopia (blue-blind)

#C61A37

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e1a;
/* rgb */ color: rgb(180, 62, 26);
/* oklch */ color: oklch(52.7% 0.160 36.6);

Tailwind

colors: {
  custom: {
    50: '#d3795b',
    500: '#b43e1a',
    950: '#000000',
  },
}

SCSS

$custom: #b43e1a;
$custom-light: #d3795b;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e1a",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 26
  },
  "hsl": {
    "h": 14.026,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52705,
    "c": 0.16015,
    "h": 36.6
  },
  "luminance": 0.13223
}

Semantic roles & 50–950 ramp

primary

#B43E1A

secondary

#5DB2CC

accent

#C6F136

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43E1A

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

Preview Lab → · Contrast checker → · Palette generator →