#B3343F#B3343F

#B3343F is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.163 H 20.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B3343F
RGB	rgb(179, 52, 63)
HSL	hsl(355, 55%, 45%)
HSV	hsv(355, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 64.8%, 29.8%)
CIE-LAB	lab(41.85, 51.57, 23.61)
CIE-LCH	lch(41.85, 56.72, 24.60°)
OKLab	oklab(51.87% 0.1527 0.0563)
OKLCH	oklch(51.87% 0.163 20.2)
XYZ	xyz(20.7178, 12.4016, 6.0045)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3343F #34B3A8

analogous

#B3347E #B3343F #B36834

triadic

#B3343F #3FB334 #343FB3

tetradic

#B3343F #7EB334 #34B3A8 #6834B3

square

#B3343F #7EB334 #34B3A8 #6834B3

split-complementary

#B3343F #34B368 #347EB3

monochromatic

#54181E #84262E #B3343F #CE5661 #DC868D

Accessibility & contrast

On white

6.03

#B3343F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B3343F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3343F

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3343F	#FFFFFF	#000000	##FFFFFF
##B3343F	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523E

Deuteranopia (green-blind)

#776D3B

Tritanopia (blue-blind)

#C40D39

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3343f;
/* rgb */ color: rgb(179, 52, 63);
/* oklch */ color: oklch(51.9% 0.163 20.2);

Tailwind

colors: {
  custom: {
    50: '#d17474',
    500: '#b3343f',
    950: '#000000',
  },
}

SCSS

$custom: #b3343f;
$custom-light: #d17474;
$custom-dark: #000000;

JSON

{
  "hex": "#b3343f",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 354.803,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51869,
    "c": 0.16273,
    "h": 20.2
  },
  "luminance": 0.12399
}

Semantic roles & 50–950 ramp

primary

#B3343F

secondary

#7DC5BF

accent

#DED149

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B3343F

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

Preview Lab → · Contrast checker → · Palette generator →