#581223#581223

#581223 is a dark, moderate red. Relative luminance 0.026; OKLCH L 31.0% C 0.101 H 11.4°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#581223
RGB	rgb(88, 18, 35)
HSL	hsl(345, 66%, 21%)
HSV	hsv(345, 80%, 35%)
CMYK	cmyk(0%, 79.5%, 60.2%, 65.5%)
CIE-LAB	lab(18.49, 32.80, 7.98)
CIE-LCH	lch(18.49, 33.76, 13.68°)
OKLab	oklab(31.03% 0.0992 0.02)
OKLCH	oklch(31.03% 0.101 11.4)
XYZ	xyz(4.5446, 2.6293, 1.8580)
Luminance	0.0263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581223 #125847

analogous

#581246 #581223 #582412

triadic

#581223 #235812 #122358

tetradic

#581223 #465812 #125847 #241258

square

#581223 #465812 #125847 #241258

split-complementary

#581223 #125824 #124658

monochromatic

#19050A #25080F #581223 #8B1C37 #BE274B

Accessibility & contrast

On white

13.76

#581223 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#581223 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581223

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581223	#FFFFFF	#000000	##FFFFFF
##581223	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242423

Deuteranopia (green-blind)

#363221

Tritanopia (blue-blind)

#610219

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581223;
/* rgb */ color: rgb(88, 18, 35);
/* oklch */ color: oklch(31.0% 0.101 11.4);

Tailwind

colors: {
  custom: {
    50: '#8c575d',
    500: '#581223',
    950: '#000000',
  },
}

SCSS

$custom: #581223;
$custom-light: #8c575d;
$custom-dark: #000000;

JSON

{
  "hex": "#581223",
  "rgb": {
    "r": 88,
    "g": 18,
    "b": 35
  },
  "hsl": {
    "h": 345.429,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31027,
    "c": 0.10125,
    "h": 11.4
  },
  "luminance": 0.02629
}

Semantic roles & 50–950 ramp

primary

#581223

secondary

#35917A

accent

#E9C03F

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0304

muted

#7E7879

Preview Lab

Preview with #581223

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

Preview Lab → · Contrast checker → · Palette generator →