#B7343A#B7343A

#B7343A is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.167 H 22.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B7343A
RGB	rgb(183, 52, 58)
HSL	hsl(357, 56%, 46%)
HSV	hsv(357, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 68.3%, 28.2%)
CIE-LAB	lab(42.51, 52.56, 27.64)
CIE-LCH	lch(42.51, 59.39, 27.74°)
OKLab	oklab(52.47% 0.1543 0.0646)
OKLCH	oklch(52.47% 0.167 22.7)
XYZ	xyz(21.5225, 12.8319, 5.3457)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7343A #34B7B1

analogous

#B7347B #B7343A #B76F34

triadic

#B7343A #3AB734 #343AB7

tetradic

#B7343A #7BB734 #34B7B1 #6F34B7

square

#B7343A #7BB734 #34B7B1 #6F34B7

split-complementary

#B7343A #34B76F #347BB7

monochromatic

#58191C #87262B #B7343A #D0595E #DD888C

Accessibility & contrast

On white

5.89

#B7343A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B7343A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7343A

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7343A	#FFFFFF	#000000	##FFFFFF
##B7343A	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595239

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#C90437

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7343a;
/* rgb */ color: rgb(183, 52, 58);
/* oklch */ color: oklch(52.5% 0.167 22.7);

Tailwind

colors: {
  custom: {
    50: '#d47570',
    500: '#b7343a',
    950: '#000000',
  },
}

SCSS

$custom: #b7343a;
$custom-light: #d47570;
$custom-dark: #000000;

JSON

{
  "hex": "#b7343a",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 58
  },
  "hsl": {
    "h": 357.252,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52472,
    "c": 0.16726,
    "h": 22.7
  },
  "luminance": 0.12829
}

Semantic roles & 50–950 ramp

primary

#B7343A

secondary

#80C7C4

accent

#DFD849

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B7343A

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

Preview Lab → · Contrast checker → · Palette generator →