#B43228#B43228

#B43228 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.168 H 28.8°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B43228
RGB	rgb(180, 50, 40)
HSL	hsl(4, 64%, 43%)
HSV	hsv(4, 78%, 71%)
CMYK	cmyk(0%, 72.2%, 77.8%, 29.4%)
CIE-LAB	lab(41.44, 51.53, 36.81)
CIE-LCH	lch(41.44, 63.33, 35.54°)
OKLab	oklab(51.5% 0.1476 0.081)
OKLCH	oklch(51.5% 0.168 28.8)
XYZ	xyz(20.3484, 12.1408, 3.2790)
Luminance	0.1214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43228 #28AAB4

analogous

#B42864 #B43228 #B47828

triadic

#B43228 #28B432 #3228B4

tetradic

#B43228 #64B428 #28AAB4 #7828B4

square

#B43228 #64B428 #28AAB4 #7828B4

split-complementary

#B43228 #28B478 #2864B4

monochromatic

#501612 #82241D #B43228 #D54E44 #E17D76

Accessibility & contrast

On white

6.13

#B43228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B43228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43228

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43228	#FFFFFF	#000000	##FFFFFF
##B43228	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585026

Deuteranopia (green-blind)

#796C23

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43228;
/* rgb */ color: rgb(180, 50, 40);
/* oklch */ color: oklch(51.5% 0.168 28.8);

Tailwind

colors: {
  custom: {
    50: '#d37363',
    500: '#b43228',
    950: '#000000',
  },
}

SCSS

$custom: #b43228;
$custom-light: #d37363;
$custom-dark: #000000;

JSON

{
  "hex": "#b43228",
  "rgb": {
    "r": 180,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.286,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51496,
    "c": 0.16833,
    "h": 28.8
  },
  "luminance": 0.12138
}

Semantic roles & 50–950 ramp

primary

#B43228

secondary

#70C2C8

accent

#DBE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43228

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

Preview Lab → · Contrast checker → · Palette generator →