#B3383C#B3383C

#B3383C is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.159 H 22.8°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B3383C
RGB	rgb(179, 56, 60)
HSL	hsl(358, 52%, 46%)
HSV	hsv(358, 69%, 70%)
CMYK	cmyk(0%, 68.7%, 66.5%, 29.8%)
CIE-LAB	lab(42.37, 49.82, 26.10)
CIE-LCH	lch(42.37, 56.24, 27.65°)
OKLab	oklab(52.24% 0.1465 0.0616)
OKLCH	oklch(52.24% 0.159 22.8)
XYZ	xyz(20.8224, 12.7413, 5.6370)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3383C #38B3AF

analogous

#B33879 #B3383C #B37138

triadic

#B3383C #3CB338 #383CB3

tetradic

#B3383C #79B338 #38B3AF #7138B3

square

#B3383C #79B338 #38B3AF #7138B3

split-complementary

#B3383C #38B371 #3879B3

monochromatic

#561B1D #84292C #B3383C #CC5C60 #DB8B8D

Accessibility & contrast

On white

5.92

#B3383C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B3383C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3383C

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3383C	#FFFFFF	#000000	##FFFFFF
##B3383C	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533B

Deuteranopia (green-blind)

#786E38

Tritanopia (blue-blind)

#C4163B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b3383c;
/* rgb */ color: rgb(179, 56, 60);
/* oklch */ color: oklch(52.2% 0.159 22.8);

Tailwind

colors: {
  custom: {
    50: '#d17671',
    500: '#b3383c',
    950: '#000000',
  },
}

SCSS

$custom: #b3383c;
$custom-light: #d17671;
$custom-dark: #000000;

JSON

{
  "hex": "#b3383c",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 60
  },
  "hsl": {
    "h": 358.049,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52244,
    "c": 0.15891,
    "h": 22.8
  },
  "luminance": 0.12738
}

Semantic roles & 50–950 ramp

primary

#B3383C

secondary

#82C5C3

accent

#DCD74C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B3383C

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

Preview Lab → · Contrast checker → · Palette generator →