#B7443A#B7443A

#B7443A is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.3% C 0.151 H 28.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#B7443A
RGB	rgb(183, 68, 58)
HSL	hsl(5, 52%, 47%)
HSV	hsv(5, 68%, 72%)
CMYK	cmyk(0%, 62.8%, 68.3%, 28.2%)
CIE-LAB	lab(44.96, 45.93, 30.61)
CIE-LCH	lch(44.96, 55.19, 33.68°)
OKLab	oklab(54.31% 0.1333 0.0711)
OKLCH	oklch(54.31% 0.151 28.1)
XYZ	xyz(22.3616, 14.5101, 5.6254)
Luminance	0.1451 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7443A #3AADB7

analogous

#B73A6F #B7443A #B7833A

triadic

#B7443A #3AB744 #443AB7

tetradic

#B7443A #6FB73A #3AADB7 #833AB7

square

#B7443A #6FB73A #3AADB7 #833AB7

split-complementary

#B7443A #3AB783 #3A6FB7

monochromatic

#5A211D #89332B #B7443A #CD6A61 #DC9690

Accessibility & contrast

On white

5.38

#B7443A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#B7443A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7443A

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7443A	#FFFFFF	#000000	##FFFFFF
##B7443A	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#807437

Tritanopia (blue-blind)

#C92A42

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b7443a;
/* rgb */ color: rgb(183, 68, 58);
/* oklch */ color: oklch(54.3% 0.151 28.1);

Tailwind

colors: {
  custom: {
    50: '#d47d70',
    500: '#b7443a',
    950: '#000000',
  },
}

SCSS

$custom: #b7443a;
$custom-light: #d47d70;
$custom-dark: #000000;

JSON

{
  "hex": "#b7443a",
  "rgb": {
    "r": 183,
    "g": 68,
    "b": 58
  },
  "hsl": {
    "h": 4.8,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54305,
    "c": 0.15113,
    "h": 28.1
  },
  "luminance": 0.14507
}

Semantic roles & 50–950 ramp

primary

#B7443A

secondary

#86C1C7

accent

#D0DB4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B7443A

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

Preview Lab → · Contrast checker → · Palette generator →