#B3343D#B3343D

#B3343D is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.163 H 21.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B3343D
RGB	rgb(179, 52, 61)
HSL	hsl(356, 55%, 45%)
HSV	hsv(356, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 65.9%, 29.8%)
CIE-LAB	lab(41.81, 51.45, 24.79)
CIE-LCH	lch(41.81, 57.11, 25.73°)
OKLab	oklab(51.83% 0.1519 0.0588)
OKLCH	oklch(51.83% 0.163 21.1)
XYZ	xyz(20.6629, 12.3796, 5.7155)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3343D #34B3AA

analogous

#B3347C #B3343D #B36A34

triadic

#B3343D #3DB334 #343DB3

tetradic

#B3343D #7CB334 #34B3AA #6A34B3

square

#B3343D #7CB334 #34B3AA #6A34B3

split-complementary

#B3343D #34B36A #347CB3

monochromatic

#54181D #84262D #B3343D #CE565F #DC868C

Accessibility & contrast

On white

6.04

#B3343D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B3343D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3343D

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3343D	#FFFFFF	#000000	##FFFFFF
##B3343D	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513C

Deuteranopia (green-blind)

#776D39

Tritanopia (blue-blind)

#C40B38

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3343d;
/* rgb */ color: rgb(179, 52, 61);
/* oklch */ color: oklch(51.8% 0.163 21.1);

Tailwind

colors: {
  custom: {
    50: '#d17472',
    500: '#b3343d',
    950: '#000000',
  },
}

SCSS

$custom: #b3343d;
$custom-light: #d17472;
$custom-dark: #000000;

JSON

{
  "hex": "#b3343d",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 61
  },
  "hsl": {
    "h": 355.748,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51833,
    "c": 0.16286,
    "h": 21.1
  },
  "luminance": 0.12377
}

Semantic roles & 50–950 ramp

primary

#B3343D

secondary

#7DC5C0

accent

#DED449

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B3343D

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

Preview Lab → · Contrast checker → · Palette generator →