#B3343A#B3343A

#B3343A is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.163 H 22.5°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B3343A
RGB	rgb(179, 52, 58)
HSL	hsl(357, 55%, 45%)
HSV	hsv(357, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 67.6%, 29.8%)
CIE-LAB	lab(41.76, 51.28, 26.56)
CIE-LCH	lch(41.76, 57.75, 27.38°)
OKLab	oklab(51.78% 0.1507 0.0623)
OKLCH	oklch(51.78% 0.163 22.5)
XYZ	xyz(20.5843, 12.3482, 5.3017)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3343A #34B3AD

analogous

#B3347A #B3343A #B36D34

triadic

#B3343A #3AB334 #343AB3

tetradic

#B3343A #7AB334 #34B3AD #6D34B3

square

#B3343A #7AB334 #34B3AD #6D34B3

split-complementary

#B3343A #34B36D #347AB3

monochromatic

#54181B #84262B #B3343A #CE565C #DC868A

Accessibility & contrast

On white

6.05

#B3343A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B3343A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3343A

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3343A	#FFFFFF	#000000	##FFFFFF
##B3343A	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#776C36

Tritanopia (blue-blind)

#C50937

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3343a;
/* rgb */ color: rgb(179, 52, 58);
/* oklch */ color: oklch(51.8% 0.163 22.5);

Tailwind

colors: {
  custom: {
    50: '#d17470',
    500: '#b3343a',
    950: '#000000',
  },
}

SCSS

$custom: #b3343a;
$custom-light: #d17470;
$custom-dark: #000000;

JSON

{
  "hex": "#b3343a",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 58
  },
  "hsl": {
    "h": 357.165,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5178,
    "c": 0.16311,
    "h": 22.5
  },
  "luminance": 0.12345
}

Semantic roles & 50–950 ramp

primary

#B3343A

secondary

#7DC5C2

accent

#DED749

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B3343A

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

Preview Lab → · Contrast checker → · Palette generator →