#B43F3A#B43F3A

#B43F3A is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.153 H 26.1°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B43F3A
RGB	rgb(180, 63, 58)
HSL	hsl(2, 51%, 47%)
HSV	hsv(2, 68%, 71%)
CMYK	cmyk(0%, 65%, 67.8%, 29.4%)
CIE-LAB	lab(43.61, 47.10, 28.85)
CIE-LCH	lch(43.61, 55.23, 31.49°)
OKLab	oklab(53.19% 0.1374 0.0674)
OKLCH	oklch(53.19% 0.153 26.1)
XYZ	xyz(21.3658, 13.5668, 5.4958)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F3A #3AAFB4

analogous

#B43A72 #B43F3A #B47C3A

triadic

#B43F3A #3AB43F #3F3AB4

tetradic

#B43F3A #72B43A #3AAFB4 #7C3AB4

square

#B43F3A #72B43A #3AAFB4 #7C3AB4

split-complementary

#B43F3A #3AB47C #3A72B4

monochromatic

#571F1C #862F2B #B43F3A #CC6460 #DB918E

Accessibility & contrast

On white

5.66

#B43F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B43F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F3A

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F3A	#FFFFFF	#000000	##FFFFFF
##B43F3A	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5739

Deuteranopia (green-blind)

#7C7037

Tritanopia (blue-blind)

#C6233F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b43f3a;
/* rgb */ color: rgb(180, 63, 58);
/* oklch */ color: oklch(53.2% 0.153 26.1);

Tailwind

colors: {
  custom: {
    50: '#d17a70',
    500: '#b43f3a',
    950: '#000000',
  },
}

SCSS

$custom: #b43f3a;
$custom-light: #d17a70;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f3a",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 2.459,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53192,
    "c": 0.15301,
    "h": 26.1
  },
  "luminance": 0.13564
}

Semantic roles & 50–950 ramp

primary

#B43F3A

secondary

#85C3C5

accent

#D5DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B43F3A

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

Preview Lab → · Contrast checker → · Palette generator →