#B43D3F#B43D3F

#B43D3F is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.154 H 23.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B43D3F
RGB	rgb(180, 61, 63)
HSL	hsl(359, 49%, 47%)
HSV	hsv(359, 66%, 71%)
CMYK	cmyk(0%, 66.1%, 65%, 29.4%)
CIE-LAB	lab(43.36, 48.26, 25.56)
CIE-LCH	lch(43.36, 54.61, 27.91°)
OKLab	oklab(53.04% 0.142 0.0607)
OKLCH	oklch(53.04% 0.154 23.1)
XYZ	xyz(21.3905, 13.4026, 6.1623)
Luminance	0.1340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D3F #3DB4B2

analogous

#B43D7A #B43D3F #B4773D

triadic

#B43D3F #3FB43D #3D3FB4

tetradic

#B43D3F #7AB43D #3DB4B2 #773DB4

square

#B43D3F #7AB43D #3DB4B2 #773DB4

split-complementary

#B43D3F #3DB477 #3D7AB4

monochromatic

#591E1F #862E2F #B43D3F #CA6466 #DA9293

Accessibility & contrast

On white

5.71

#B43D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B43D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D3F

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D3F	#FFFFFF	#000000	##FFFFFF
##B43D3F	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563E

Deuteranopia (green-blind)

#7B703C

Tritanopia (blue-blind)

#C5213F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43d3f;
/* rgb */ color: rgb(180, 61, 63);
/* oklch */ color: oklch(53.0% 0.154 23.1);

Tailwind

colors: {
  custom: {
    50: '#d17974',
    500: '#b43d3f',
    950: '#000000',
  },
}

SCSS

$custom: #b43d3f;
$custom-light: #d17974;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d3f",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 358.992,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53036,
    "c": 0.15445,
    "h": 23.1
  },
  "luminance": 0.134
}

Semantic roles & 50–950 ramp

primary

#B43D3F

secondary

#88C5C4

accent

#D9D74F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43D3F

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

Preview Lab → · Contrast checker → · Palette generator →