#B43734#B43734

#B43734 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.162 H 25.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B43734
RGB	rgb(180, 55, 52)
HSL	hsl(1, 55%, 45%)
HSV	hsv(1, 71%, 71%)
CMYK	cmyk(0%, 69.4%, 71.1%, 29.4%)
CIE-LAB	lab(42.29, 50.12, 30.83)
CIE-LCH	lch(42.29, 58.85, 31.60°)
OKLab	oklab(52.18% 0.1457 0.0707)
OKLCH	oklch(52.18% 0.162 25.9)
XYZ	xyz(20.8107, 12.6867, 4.6011)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43734 #34B1B4

analogous

#B43471 #B43734 #B47734

triadic

#B43734 #34B437 #3734B4

tetradic

#B43734 #71B434 #34B1B4 #7734B4

square

#B43734 #71B434 #34B1B4 #7734B4

split-complementary

#B43734 #34B477 #3471B4

monochromatic

#551A19 #852826 #B43734 #CE5A57 #DC8886

Accessibility & contrast

On white

5.94

#B43734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B43734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43734

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43734	#FFFFFF	#000000	##FFFFFF
##B43734	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5333

Deuteranopia (green-blind)

#796E30

Tritanopia (blue-blind)

#C60F38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43734;
/* rgb */ color: rgb(180, 55, 52);
/* oklch */ color: oklch(52.2% 0.162 25.9);

Tailwind

colors: {
  custom: {
    50: '#d2766c',
    500: '#b43734',
    950: '#000000',
  },
}

SCSS

$custom: #b43734;
$custom-light: #d2766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b43734",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.406,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52177,
    "c": 0.16194,
    "h": 25.9
  },
  "luminance": 0.12684
}

Semantic roles & 50–950 ramp

primary

#B43734

secondary

#7EC4C6

accent

#DBDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B43734

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

Preview Lab → · Contrast checker → · Palette generator →