#B3584D#B3584D

#B3584D is a mid, vivid red. Relative luminance 0.171; OKLCH L 56.9% C 0.121 H 28.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#B3584D
RGB	rgb(179, 88, 77)
HSL	hsl(6, 40%, 50%)
HSV	hsv(6, 57%, 70%)
CMYK	cmyk(0%, 50.8%, 57%, 29.8%)
CIE-LAB	lab(48.39, 35.94, 23.61)
CIE-LCH	lch(48.39, 43.00, 33.31°)
OKLab	oklab(56.87% 0.106 0.0575)
OKLCH	oklch(56.87% 0.121 28.5)
XYZ	xyz(23.4215, 17.1016, 9.0873)
Luminance	0.1710 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3584D #4DA8B3

analogous

#B34D75 #B3584D #B38B4D

triadic

#B3584D #4DB358 #584DB3

tetradic

#B3584D #75B34D #4DA8B3 #8B4DB3

square

#B3584D #75B34D #4DA8B3 #8B4DB3

split-complementary

#B3584D #4DB38B #4D75B3

monochromatic

#5E2E28 #89433A #B3584D #C58078 #D8A8A3

Accessibility & contrast

On white

4.75

#B3584D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#B3584D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3584D

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3584D	#FFFFFF	#000000	##FFFFFF
##B3584D	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E674C

Deuteranopia (green-blind)

#857A4B

Tritanopia (blue-blind)

#C34956

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b3584d;
/* rgb */ color: rgb(179, 88, 77);
/* oklch */ color: oklch(56.9% 0.121 28.5);

Tailwind

colors: {
  custom: {
    50: '#ce897f',
    500: '#b3584d',
    950: '#000000',
  },
}

SCSS

$custom: #b3584d;
$custom-light: #ce897f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3584d",
  "rgb": {
    "r": 179,
    "g": 88,
    "b": 77
  },
  "hsl": {
    "h": 6.471,
    "s": 40.157,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56874,
    "c": 0.12057,
    "h": 28.5
  },
  "luminance": 0.17099
}

Semantic roles & 50–950 ramp

primary

#B3584D

secondary

#97C0C5

accent

#C3D058

background

#FDF8F7

surface

#FAF0EE

border

#D3CBC9

text

#140C0A

muted

#837D7C

Preview Lab

Preview with #B3584D

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

Preview Lab → · Contrast checker → · Palette generator →