#B4383D#B4383D

#B4383D is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.160 H 22.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B4383D
RGB	rgb(180, 56, 61)
HSL	hsl(358, 53%, 46%)
HSV	hsv(358, 69%, 71%)
CMYK	cmyk(0%, 68.9%, 66.1%, 29.4%)
CIE-LAB	lab(42.57, 50.21, 25.78)
CIE-LCH	lch(42.57, 56.44, 27.18°)
OKLab	oklab(52.43% 0.1478 0.0609)
OKLCH	oklch(52.43% 0.16 22.4)
XYZ	xyz(21.0811, 12.8716, 5.7884)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4383D #38B4AF

analogous

#B4387B #B4383D #B47138

triadic

#B4383D #3DB438 #383DB4

tetradic

#B4383D #7BB438 #38B4AF #7138B4

square

#B4383D #7BB438 #38B4AF #7138B4

split-complementary

#B4383D #38B471 #387BB4

monochromatic

#571B1D #85292D #B4383D #CD5D61 #DB8B8F

Accessibility & contrast

On white

5.88

#B4383D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B4383D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4383D

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4383D	#FFFFFF	#000000	##FFFFFF
##B4383D	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)

#5A543C

Deuteranopia (green-blind)

#796E39

Tritanopia (blue-blind)

#C6163B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4383d;
/* rgb */ color: rgb(180, 56, 61);
/* oklch */ color: oklch(52.4% 0.160 22.4);

Tailwind

colors: {
  custom: {
    50: '#d27672',
    500: '#b4383d',
    950: '#000000',
  },
}

SCSS

$custom: #b4383d;
$custom-light: #d27672;
$custom-dark: #000000;

JSON

{
  "hex": "#b4383d",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 61
  },
  "hsl": {
    "h": 357.581,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52431,
    "c": 0.15988,
    "h": 22.4
  },
  "luminance": 0.12869
}

Semantic roles & 50–950 ramp

primary

#B4383D

secondary

#82C5C3

accent

#DCD64C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B4383D

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

Preview Lab → · Contrast checker → · Palette generator →