#B4383C#B4383C

#B4383C is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.160 H 22.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B4383C
RGB	rgb(180, 56, 60)
HSL	hsl(358, 53%, 46%)
HSV	hsv(358, 69%, 71%)
CMYK	cmyk(0%, 68.9%, 66.7%, 29.4%)
CIE-LAB	lab(42.55, 50.15, 26.37)
CIE-LCH	lch(42.55, 56.66, 27.73°)
OKLab	oklab(52.41% 0.1474 0.0621)
OKLCH	oklch(52.41% 0.16 22.8)
XYZ	xyz(21.0544, 12.8609, 5.6478)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4383C #38B4B0

analogous

#B4387A #B4383C #B47238

triadic

#B4383C #3CB438 #383CB4

tetradic

#B4383C #7AB438 #38B4B0 #7238B4

square

#B4383C #7AB438 #38B4B0 #7238B4

split-complementary

#B4383C #38B472 #387AB4

monochromatic

#571B1D #85292C #B4383C #CD5D60 #DB8B8E

Accessibility & contrast

On white

5.88

#B4383C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B4383C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4383C

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4383C	#FFFFFF	#000000	##FFFFFF
##B4383C	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543B

Deuteranopia (green-blind)

#796E38

Tritanopia (blue-blind)

#C6153B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4383c;
/* rgb */ color: rgb(180, 56, 60);
/* oklch */ color: oklch(52.4% 0.160 22.8);

Tailwind

colors: {
  custom: {
    50: '#d27671',
    500: '#b4383c',
    950: '#000000',
  },
}

SCSS

$custom: #b4383c;
$custom-light: #d27671;
$custom-dark: #000000;

JSON

{
  "hex": "#b4383c",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 60
  },
  "hsl": {
    "h": 358.065,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52414,
    "c": 0.15998,
    "h": 22.8
  },
  "luminance": 0.12858
}

Semantic roles & 50–950 ramp

primary

#B4383C

secondary

#82C5C3

accent

#DCD74C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B4383C

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

Preview Lab → · Contrast checker → · Palette generator →