#B8403A#B8403A

#B8403A is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.0% C 0.156 H 26.5°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#B8403A
RGB	rgb(184, 64, 58)
HSL	hsl(3, 52%, 47%)
HSV	hsv(3, 68%, 72%)
CMYK	cmyk(0%, 65.2%, 68.5%, 27.8%)
CIE-LAB	lab(44.47, 48.05, 30.06)
CIE-LCH	lch(44.47, 56.68, 32.04°)
OKLab	oklab(53.97% 0.1399 0.0699)
OKLCH	oklch(53.97% 0.156 26.5)
XYZ	xyz(22.3666, 14.1658, 5.5587)
Luminance	0.1416 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8403A #3AB2B8

analogous

#B83A73 #B8403A #B87F3A

triadic

#B8403A #3AB840 #403AB8

tetradic

#B8403A #73B83A #3AB2B8 #7F3AB8

square

#B8403A #73B83A #3AB2B8 #7F3AB8

split-complementary

#B8403A #3AB87F #3A73B8

monochromatic

#5B201D #89302B #B8403A #CD6762 #DC9490

Accessibility & contrast

On white

5.48

#B8403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#B8403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8403A

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8403A	#FFFFFF	#000000	##FFFFFF
##B8403A	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615938

Deuteranopia (green-blind)

#7F7336

Tritanopia (blue-blind)

#CA2240

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b8403a;
/* rgb */ color: rgb(184, 64, 58);
/* oklch */ color: oklch(54.0% 0.156 26.5);

Tailwind

colors: {
  custom: {
    50: '#d47b70',
    500: '#b8403a',
    950: '#000000',
  },
}

SCSS

$custom: #b8403a;
$custom-light: #d47b70;
$custom-dark: #000000;

JSON

{
  "hex": "#b8403a",
  "rgb": {
    "r": 184,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.857,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53973,
    "c": 0.15637,
    "h": 26.5
  },
  "luminance": 0.14163
}

Semantic roles & 50–950 ramp

primary

#B8403A

secondary

#87C4C7

accent

#D5DC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B8403A

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

Preview Lab → · Contrast checker → · Palette generator →