#B6383A#B6383A

#B6383A is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.162 H 23.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B6383A
RGB	rgb(182, 56, 58)
HSL	hsl(359, 53%, 47%)
HSV	hsv(359, 69%, 71%)
CMYK	cmyk(0%, 69.2%, 68.1%, 28.6%)
CIE-LAB	lab(42.89, 50.70, 28.06)
CIE-LCH	lch(42.89, 57.94, 28.97°)
OKLab	oklab(52.72% 0.1485 0.0655)
OKLCH	oklch(52.72% 0.162 23.8)
XYZ	xyz(21.4716, 13.0820, 5.3966)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6383A #38B6B4

analogous

#B63879 #B6383A #B67538

triadic

#B6383A #3AB638 #383AB6

tetradic

#B6383A #79B638 #38B6B4 #7538B6

square

#B6383A #79B638 #38B6B4 #7538B6

split-complementary

#B6383A #38B675 #3879B6

monochromatic

#581B1C #872A2B #B6383A #CD5E60 #DC8D8E

Accessibility & contrast

On white

5.81

#B6383A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B6383A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6383A

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6383A	#FFFFFF	#000000	##FFFFFF
##B6383A	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5439

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#C8133A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b6383a;
/* rgb */ color: rgb(182, 56, 58);
/* oklch */ color: oklch(52.7% 0.162 23.8);

Tailwind

colors: {
  custom: {
    50: '#d37770',
    500: '#b6383a',
    950: '#000000',
  },
}

SCSS

$custom: #b6383a;
$custom-light: #d37770;
$custom-dark: #000000;

JSON

{
  "hex": "#b6383a",
  "rgb": {
    "r": 182,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 359.048,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5272,
    "c": 0.16231,
    "h": 23.8
  },
  "luminance": 0.13079
}

Semantic roles & 50–950 ramp

primary

#B6383A

secondary

#84C6C5

accent

#DCDA4B

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6383A

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

Preview Lab → · Contrast checker → · Palette generator →