#B43A24#B43A24

#B43A24 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.162 H 32.5°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B43A24
RGB	rgb(180, 58, 36)
HSL	hsl(9, 67%, 42%)
HSV	hsv(9, 80%, 71%)
CMYK	cmyk(0%, 67.8%, 80%, 29.4%)
CIE-LAB	lab(42.55, 48.24, 40.12)
CIE-LCH	lch(42.55, 62.74, 39.75°)
OKLab	oklab(52.32% 0.1365 0.087)
OKLCH	oklch(52.32% 0.162 32.5)
XYZ	xyz(20.6562, 12.8599, 3.0633)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A24 #249EB4

analogous

#B42456 #B43A24 #B48224

triadic

#B43A24 #24B43A #3A24B4

tetradic

#B43A24 #56B424 #249EB4 #8224B4

square

#B43A24 #56B424 #249EB4 #8224B4

split-complementary

#B43A24 #24B482 #2456B4

monochromatic

#4E1910 #812A1A #B43A24 #D8553D #E28170

Accessibility & contrast

On white

5.88

#B43A24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B43A24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A24

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A24	#FFFFFF	#000000	##FFFFFF
##B43A24	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5320

Deuteranopia (green-blind)

#7C6E1F

Tritanopia (blue-blind)

#C61236

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43a24;
/* rgb */ color: rgb(180, 58, 36);
/* oklch */ color: oklch(52.3% 0.162 32.5);

Tailwind

colors: {
  custom: {
    50: '#d37760',
    500: '#b43a24',
    950: '#000000',
  },
}

SCSS

$custom: #b43a24;
$custom-light: #d37760;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a24",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 36
  },
  "hsl": {
    "h": 9.167,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52316,
    "c": 0.16187,
    "h": 32.5
  },
  "luminance": 0.12857
}

Semantic roles & 50–950 ramp

primary

#B43A24

secondary

#6BBBC9

accent

#CFEA3E

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43A24

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

Preview Lab → · Contrast checker → · Palette generator →