#B43A20#B43A20

#B43A20 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.163 H 33.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B43A20
RGB	rgb(180, 58, 32)
HSL	hsl(11, 70%, 42%)
HSV	hsv(11, 82%, 71%)
CMYK	cmyk(0%, 67.8%, 82.2%, 29.4%)
CIE-LAB	lab(42.52, 48.11, 42.14)
CIE-LCH	lch(42.52, 63.96, 41.22°)
OKLab	oklab(52.28% 0.1354 0.0901)
OKLCH	oklch(52.28% 0.163 33.6)
XYZ	xyz(20.5985, 12.8368, 2.7593)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A20 #209AB4

analogous

#B42050 #B43A20 #B48420

triadic

#B43A20 #20B43A #3A20B4

tetradic

#B43A20 #50B420 #209AB4 #8420B4

square

#B43A20 #50B420 #209AB4 #8420B4

split-complementary

#B43A20 #20B484 #2050B4

monochromatic

#4C190E #802917 #B43A20 #DB5336 #E47F6A

Accessibility & contrast

On white

5.89

#B43A20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B43A20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A20

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A20	#FFFFFF	#000000	##FFFFFF
##B43A20	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E531C

Deuteranopia (green-blind)

#7C6E1A

Tritanopia (blue-blind)

#C61135

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43a20;
/* rgb */ color: rgb(180, 58, 32);
/* oklch */ color: oklch(52.3% 0.163 33.6);

Tailwind

colors: {
  custom: {
    50: '#d3775e',
    500: '#b43a20',
    950: '#000000',
  },
}

SCSS

$custom: #b43a20;
$custom-light: #d3775e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a20",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 32
  },
  "hsl": {
    "h": 10.541,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52278,
    "c": 0.1626,
    "h": 33.6
  },
  "luminance": 0.12834
}

Semantic roles & 50–950 ramp

primary

#B43A20

secondary

#66B9CA

accent

#CDED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43A20

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

Preview Lab → · Contrast checker → · Palette generator →