#B0343A#B0343A

#B0343A is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.160 H 22.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B0343A
RGB	rgb(176, 52, 58)
HSL	hsl(357, 54%, 45%)
HSV	hsv(357, 70%, 69%)
CMYK	cmyk(0%, 70.5%, 67%, 31%)
CIE-LAB	lab(41.21, 50.31, 25.75)
CIE-LCH	lch(41.21, 56.51, 27.11°)
OKLab	oklab(51.26% 0.148 0.0606)
OKLCH	oklch(51.26% 0.16 22.3)
XYZ	xyz(19.8983, 11.9945, 5.2696)
Luminance	0.1199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0343A #34B0AA

analogous

#B03478 #B0343A #B06C34

triadic

#B0343A #3AB034 #343AB0

tetradic

#B0343A #78B034 #34B0AA #6C34B0

square

#B0343A #78B034 #34B0AA #6C34B0

split-complementary

#B0343A #34B06C #3478B0

monochromatic

#52181B #81262A #B0343A #CD555A #DB8488

Accessibility & contrast

On white

6.18

#B0343A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B0343A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0343A

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0343A	#FFFFFF	#000000	##FFFFFF
##B0343A	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565039

Deuteranopia (green-blind)

#756B36

Tritanopia (blue-blind)

#C10D37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0343a;
/* rgb */ color: rgb(176, 52, 58);
/* oklch */ color: oklch(51.3% 0.160 22.3);

Tailwind

colors: {
  custom: {
    50: '#cf7470',
    500: '#b0343a',
    950: '#000000',
  },
}

SCSS

$custom: #b0343a;
$custom-light: #cf7470;
$custom-dark: #000000;

JSON

{
  "hex": "#b0343a",
  "rgb": {
    "r": 176,
    "g": 52,
    "b": 58
  },
  "hsl": {
    "h": 357.097,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51263,
    "c": 0.15995,
    "h": 22.3
  },
  "luminance": 0.11992
}

Semantic roles & 50–950 ramp

primary

#B0343A

secondary

#7CC4C1

accent

#DED74A

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B0343A

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

Preview Lab → · Contrast checker → · Palette generator →