#B43E24#B43E24

#B43E24 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.158 H 33.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B43E24
RGB	rgb(180, 62, 36)
HSL	hsl(11, 67%, 42%)
HSV	hsv(11, 80%, 71%)
CMYK	cmyk(0%, 65.6%, 80%, 29.4%)
CIE-LAB	lab(43.18, 46.54, 40.75)
CIE-LCH	lch(43.18, 61.86, 41.21°)
OKLab	oklab(52.79% 0.1312 0.0884)
OKLCH	oklch(52.79% 0.158 33.9)
XYZ	xyz(20.8658, 13.2790, 3.1331)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E24 #249AB4

analogous

#B42452 #B43E24 #B48624

triadic

#B43E24 #24B43E #3E24B4

tetradic

#B43E24 #52B424 #249AB4 #8624B4

square

#B43E24 #52B424 #249AB4 #8624B4

split-complementary

#B43E24 #24B486 #2452B4

monochromatic

#4E1B10 #812C1A #B43E24 #D8593D #E28570

Accessibility & contrast

On white

5.75

#B43E24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43E24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E24

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E24	#FFFFFF	#000000	##FFFFFF
##B43E24	1.00	5.75	3.66	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605520

Deuteranopia (green-blind)

#7D701F

Tritanopia (blue-blind)

#C61C39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e24;
/* rgb */ color: rgb(180, 62, 36);
/* oklch */ color: oklch(52.8% 0.158 33.9);

Tailwind

colors: {
  custom: {
    50: '#d37961',
    500: '#b43e24',
    950: '#000000',
  },
}

SCSS

$custom: #b43e24;
$custom-light: #d37961;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e24",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 36
  },
  "hsl": {
    "h": 10.833,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52789,
    "c": 0.15821,
    "h": 33.9
  },
  "luminance": 0.13276
}

Semantic roles & 50–950 ramp

primary

#B43E24

secondary

#6BB8C9

accent

#CBEA3E

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43E24

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

Preview Lab → · Contrast checker → · Palette generator →