#B43D28#B43D28

#B43D28 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.158 H 32.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B43D28
RGB	rgb(180, 61, 40)
HSL	hsl(9, 64%, 43%)
HSV	hsv(9, 78%, 71%)
CMYK	cmyk(0%, 66.1%, 77.8%, 29.4%)
CIE-LAB	lab(43.06, 47.11, 38.51)
CIE-LCH	lch(43.06, 60.85, 39.26°)
OKLab	oklab(52.71% 0.1338 0.0847)
OKLCH	oklch(52.71% 0.158 32.3)
XYZ	xyz(20.8765, 13.1970, 3.4551)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D28 #289FB4

analogous

#B42859 #B43D28 #B48328

triadic

#B43D28 #28B43D #3D28B4

tetradic

#B43D28 #59B428 #289FB4 #8328B4

square

#B43D28 #59B428 #289FB4 #8328B4

split-complementary

#B43D28 #28B483 #2859B4

monochromatic

#501B12 #822C1D #B43D28 #D55A44 #E18676

Accessibility & contrast

On white

5.77

#B43D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B43D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D28

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D28	#FFFFFF	#000000	##FFFFFF
##B43D28	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#7C6F23

Tritanopia (blue-blind)

#C61B39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43d28;
/* rgb */ color: rgb(180, 61, 40);
/* oklch */ color: oklch(52.7% 0.158 32.3);

Tailwind

colors: {
  custom: {
    50: '#d37963',
    500: '#b43d28',
    950: '#000000',
  },
}

SCSS

$custom: #b43d28;
$custom-light: #d37963;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d28",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 9,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52709,
    "c": 0.15833,
    "h": 32.3
  },
  "luminance": 0.13194
}

Semantic roles & 50–950 ramp

primary

#B43D28

secondary

#70BBC8

accent

#CEE741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B43D28

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

Preview Lab → · Contrast checker → · Palette generator →