#B43520#B43520

#B43520 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.167 H 32.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B43520
RGB	rgb(180, 53, 32)
HSL	hsl(9, 70%, 42%)
HSV	hsv(9, 82%, 71%)
CMYK	cmyk(0%, 70.6%, 82.2%, 29.4%)
CIE-LAB	lab(41.78, 50.12, 41.44)
CIE-LCH	lch(41.78, 65.04, 39.59°)
OKLab	oklab(51.73% 0.1416 0.0885)
OKLCH	oklch(51.73% 0.167 32)
XYZ	xyz(20.3586, 12.3569, 2.6794)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43520 #209FB4

analogous

#B42055 #B43520 #B47F20

triadic

#B43520 #20B435 #3520B4

tetradic

#B43520 #55B420 #209FB4 #7F20B4

square

#B43520 #55B420 #209FB4 #7F20B4

split-complementary

#B43520 #20B47F #2055B4

monochromatic

#4C160E #802617 #B43520 #DB4D36 #E47B6A

Accessibility & contrast

On white

6.05

#B43520 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B43520 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43520

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43520	#FFFFFF	#000000	##FFFFFF
##B43520	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511C

Deuteranopia (green-blind)

#7A6D1A

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43520;
/* rgb */ color: rgb(180, 53, 32);
/* oklch */ color: oklch(51.7% 0.167 32.0);

Tailwind

colors: {
  custom: {
    50: '#d4745e',
    500: '#b43520',
    950: '#000000',
  },
}

SCSS

$custom: #b43520;
$custom-light: #d4745e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43520",
  "rgb": {
    "r": 180,
    "g": 53,
    "b": 32
  },
  "hsl": {
    "h": 8.514,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51725,
    "c": 0.16701,
    "h": 32
  },
  "luminance": 0.12354
}

Semantic roles & 50–950 ramp

primary

#B43520

secondary

#66BCCA

accent

#D3ED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43520

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

Preview Lab → · Contrast checker → · Palette generator →