#B43E28#B43E28

#B43E28 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.157 H 32.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B43E28
RGB	rgb(180, 62, 40)
HSL	hsl(9, 64%, 43%)
HSV	hsv(9, 78%, 71%)
CMYK	cmyk(0%, 65.6%, 77.8%, 29.4%)
CIE-LAB	lab(43.22, 46.68, 38.67)
CIE-LCH	lch(43.22, 60.62, 39.64°)
OKLab	oklab(52.83% 0.1324 0.085)
OKLCH	oklch(52.83% 0.157 32.7)
XYZ	xyz(20.9303, 13.3048, 3.4730)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E28 #289EB4

analogous

#B42858 #B43E28 #B48428

triadic

#B43E28 #28B43E #3E28B4

tetradic

#B43E28 #58B428 #289EB4 #8428B4

square

#B43E28 #58B428 #289EB4 #8428B4

split-complementary

#B43E28 #28B484 #2858B4

monochromatic

#501C12 #822D1D #B43E28 #D55B44 #E18776

Accessibility & contrast

On white

5.74

#B43E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E28

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E28	#FFFFFF	#000000	##FFFFFF
##B43E28	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#7D7024

Tritanopia (blue-blind)

#C61D3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e28;
/* rgb */ color: rgb(180, 62, 40);
/* oklch */ color: oklch(52.8% 0.157 32.7);

Tailwind

colors: {
  custom: {
    50: '#d37963',
    500: '#b43e28',
    950: '#000000',
  },
}

SCSS

$custom: #b43e28;
$custom-light: #d37963;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e28",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 9.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5283,
    "c": 0.15738,
    "h": 32.7
  },
  "luminance": 0.13302
}

Semantic roles & 50–950 ramp

primary

#B43E28

secondary

#70BAC8

accent

#CDE741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B43E28

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

Preview Lab → · Contrast checker → · Palette generator →