#B43040#B43040

#B43040 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.168 H 18.8°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B43040
RGB	rgb(180, 48, 64)
HSL	hsl(353, 58%, 45%)
HSV	hsv(353, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 64.4%, 29.4%)
CIE-LAB	lab(41.52, 53.42, 22.61)
CIE-LCH	lch(41.52, 58.01, 22.94°)
OKLab	oklab(51.66% 0.1587 0.0541)
OKLCH	oklch(51.66% 0.168 18.8)
XYZ	xyz(20.8069, 12.1904, 6.1069)
Luminance	0.1219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43040 #30B4A4

analogous

#B43082 #B43040 #B46230

triadic

#B43040 #40B430 #3040B4

tetradic

#B43040 #82B430 #30B4A4 #6230B4

square

#B43040 #82B430 #30B4A4 #6230B4

split-complementary

#B43040 #30B462 #3082B4

monochromatic

#53161E #84232F #B43040 #D15160 #DD818C

Accessibility & contrast

On white

6.11

#B43040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B43040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43040

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43040	#FFFFFF	#000000	##FFFFFF
##B43040	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555040

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C60037

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43040;
/* rgb */ color: rgb(180, 48, 64);
/* oklch */ color: oklch(51.7% 0.168 18.8);

Tailwind

colors: {
  custom: {
    50: '#d27374',
    500: '#b43040',
    950: '#000000',
  },
}

SCSS

$custom: #b43040;
$custom-light: #d27374;
$custom-dark: #000000;

JSON

{
  "hex": "#b43040",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 352.727,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51663,
    "c": 0.16765,
    "h": 18.8
  },
  "luminance": 0.12187
}

Semantic roles & 50–950 ramp

primary

#B43040

secondary

#79C6BD

accent

#E1CE47

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43040

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

Preview Lab → · Contrast checker → · Palette generator →