#B43E31#B43E31

#B43E31 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.156 H 29.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B43E31
RGB	rgb(180, 62, 49)
HSL	hsl(6, 57%, 45%)
HSV	hsv(6, 73%, 71%)
CMYK	cmyk(0%, 65.6%, 72.8%, 29.4%)
CIE-LAB	lab(43.32, 47.07, 33.77)
CIE-LCH	lch(43.32, 57.93, 35.66°)
OKLab	oklab(52.94% 0.1354 0.0766)
OKLCH	oklch(52.94% 0.156 29.5)
XYZ	xyz(21.1017, 13.3733, 4.3753)
Luminance	0.1337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E31 #31A7B4

analogous

#B43166 #B43E31 #B47F31

triadic

#B43E31 #31B43E #3E31B4

tetradic

#B43E31 #66B431 #31A7B4 #7F31B4

square

#B43E31 #66B431 #31A7B4 #7F31B4

split-complementary

#B43E31 #31B47F #3166B4

monochromatic

#541D17 #842D24 #B43E31 #D05F52 #DD8B82

Accessibility & contrast

On white

5.72

#B43E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B43E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E31

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E31	#FFFFFF	#000000	##FFFFFF
##B43E31	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562F

Deuteranopia (green-blind)

#7C702D

Tritanopia (blue-blind)

#C61F3C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e31;
/* rgb */ color: rgb(180, 62, 49);
/* oklch */ color: oklch(52.9% 0.156 29.5);

Tailwind

colors: {
  custom: {
    50: '#d2796a',
    500: '#b43e31',
    950: '#000000',
  },
}

SCSS

$custom: #b43e31;
$custom-light: #d2796a;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e31",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 5.954,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52938,
    "c": 0.15559,
    "h": 29.5
  },
  "luminance": 0.1337
}

Semantic roles & 50–950 ramp

primary

#B43E31

secondary

#7BBFC6

accent

#D1E047

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B43E31

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

Preview Lab → · Contrast checker → · Palette generator →