#B43028#B43028

#B43028 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.170 H 28.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B43028
RGB	rgb(180, 48, 40)
HSL	hsl(3, 64%, 43%)
HSV	hsv(3, 78%, 71%)
CMYK	cmyk(0%, 73.3%, 77.8%, 29.4%)
CIE-LAB	lab(41.17, 52.26, 36.53)
CIE-LCH	lch(41.17, 63.76, 34.95°)
OKLab	oklab(51.3% 0.1499 0.0804)
OKLCH	oklch(51.3% 0.17 28.2)
XYZ	xyz(20.2647, 11.9735, 3.2512)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43028 #28ACB4

analogous

#B42866 #B43028 #B47628

triadic

#B43028 #28B430 #3028B4

tetradic

#B43028 #66B428 #28ACB4 #7628B4

square

#B43028 #66B428 #28ACB4 #7628B4

split-complementary

#B43028 #28B476 #2866B4

monochromatic

#501512 #82231D #B43028 #D54C44 #E17C76

Accessibility & contrast

On white

6.19

#B43028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B43028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43028

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43028	#FFFFFF	#000000	##FFFFFF
##B43028	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F26

Deuteranopia (green-blind)

#786C23

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b43028;
/* rgb */ color: rgb(180, 48, 40);
/* oklch */ color: oklch(51.3% 0.170 28.2);

Tailwind

colors: {
  custom: {
    50: '#d37263',
    500: '#b43028',
    950: '#000000',
  },
}

SCSS

$custom: #b43028;
$custom-light: #d37263;
$custom-dark: #000000;

JSON

{
  "hex": "#b43028",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 3.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51298,
    "c": 0.17006,
    "h": 28.2
  },
  "luminance": 0.1197
}

Semantic roles & 50–950 ramp

primary

#B43028

secondary

#70C3C8

accent

#DDE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B43028

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

Preview Lab → · Contrast checker → · Palette generator →