#B43439#B43439

#B43439 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.164 H 22.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B43439
RGB	rgb(180, 52, 57)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 71%)
CMYK	cmyk(0%, 71.1%, 68.3%, 29.4%)
CIE-LAB	lab(41.93, 51.55, 27.42)
CIE-LCH	lch(41.93, 58.39, 28.01°)
OKLab	oklab(51.94% 0.1512 0.064)
OKLCH	oklch(51.94% 0.164 22.9)
XYZ	xyz(20.7911, 12.4577, 5.1799)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43439 #34B4AF

analogous

#B43479 #B43439 #B46F34

triadic

#B43439 #39B434 #3439B4

tetradic

#B43439 #79B434 #34B4AF #6F34B4

square

#B43439 #79B434 #34B4AF #6F34B4

split-complementary

#B43439 #34B46F #3479B4

monochromatic

#55191B #85262A #B43439 #CE575B #DC868A

Accessibility & contrast

On white

6.02

#B43439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B43439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43439

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43439	#FFFFFF	#000000	##FFFFFF
##B43439	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585138

Deuteranopia (green-blind)

#786D35

Tritanopia (blue-blind)

#C60737

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43439;
/* rgb */ color: rgb(180, 52, 57);
/* oklch */ color: oklch(51.9% 0.164 22.9);

Tailwind

colors: {
  custom: {
    50: '#d2746f',
    500: '#b43439',
    950: '#000000',
  },
}

SCSS

$custom: #b43439;
$custom-light: #d2746f;
$custom-dark: #000000;

JSON

{
  "hex": "#b43439",
  "rgb": {
    "r": 180,
    "g": 52,
    "b": 57
  },
  "hsl": {
    "h": 357.656,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51937,
    "c": 0.16424,
    "h": 22.9
  },
  "luminance": 0.12455
}

Semantic roles & 50–950 ramp

primary

#B43439

secondary

#7EC6C3

accent

#DFD949

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B43439

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

Preview Lab → · Contrast checker → · Palette generator →