#B3383A#B3383A

#B3383A is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.159 H 23.7°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B3383A
RGB	rgb(179, 56, 58)
HSL	hsl(359, 52%, 46%)
HSV	hsv(359, 69%, 70%)
CMYK	cmyk(0%, 68.7%, 67.6%, 29.8%)
CIE-LAB	lab(42.34, 49.70, 27.27)
CIE-LCH	lch(42.34, 56.69, 28.75°)
OKLab	oklab(52.21% 0.1457 0.0639)
OKLCH	oklch(52.21% 0.159 23.7)
XYZ	xyz(20.7705, 12.7205, 5.3638)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3383A #38B3B1

analogous

#B33877 #B3383A #B37338

triadic

#B3383A #3AB338 #383AB3

tetradic

#B3383A #77B338 #38B3B1 #7338B3

square

#B3383A #77B338 #38B3B1 #7338B3

split-complementary

#B3383A #38B373 #3877B3

monochromatic

#561B1C #84292B #B3383A #CC5C5E #DB8B8C

Accessibility & contrast

On white

5.93

#B3383A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B3383A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3383A

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3383A	#FFFFFF	#000000	##FFFFFF
##B3383A	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5339

Deuteranopia (green-blind)

#796E36

Tritanopia (blue-blind)

#C5153A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b3383a;
/* rgb */ color: rgb(179, 56, 58);
/* oklch */ color: oklch(52.2% 0.159 23.7);

Tailwind

colors: {
  custom: {
    50: '#d17670',
    500: '#b3383a',
    950: '#000000',
  },
}

SCSS

$custom: #b3383a;
$custom-light: #d17670;
$custom-dark: #000000;

JSON

{
  "hex": "#b3383a",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 359.024,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5221,
    "c": 0.15912,
    "h": 23.7
  },
  "luminance": 0.12718
}

Semantic roles & 50–950 ramp

primary

#B3383A

secondary

#82C5C4

accent

#DCD94C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B3383A

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

Preview Lab → · Contrast checker → · Palette generator →