#581323#581323

#581323 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.100 H 11.8°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#581323
RGB	rgb(88, 19, 35)
HSL	hsl(346, 64%, 21%)
HSV	hsv(346, 78%, 35%)
CMYK	cmyk(0%, 78.4%, 60.2%, 65.5%)
CIE-LAB	lab(18.64, 32.40, 8.18)
CIE-LCH	lch(18.64, 33.41, 14.17°)
OKLab	oklab(31.13% 0.098 0.0205)
OKLCH	oklch(31.13% 0.1 11.8)
XYZ	xyz(4.5612, 2.6624, 1.8635)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581323 #135848

analogous

#581345 #581323 #582513

triadic

#581323 #235813 #132358

tetradic

#581323 #455813 #135848 #251358

square

#581323 #455813 #135848 #251358

split-complementary

#581323 #135825 #134558

monochromatic

#19050A #26080F #581323 #8A1E37 #BD294B

Accessibility & contrast

On white

13.70

#581323 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#581323 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581323

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581323	#FFFFFF	#000000	##FFFFFF
##581323	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252423

Deuteranopia (green-blind)

#373321

Tritanopia (blue-blind)

#61031A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581323;
/* rgb */ color: rgb(88, 19, 35);
/* oklch */ color: oklch(31.1% 0.100 11.8);

Tailwind

colors: {
  custom: {
    50: '#8c575d',
    500: '#581323',
    950: '#000000',
  },
}

SCSS

$custom: #581323;
$custom-light: #8c575d;
$custom-dark: #000000;

JSON

{
  "hex": "#581323",
  "rgb": {
    "r": 88,
    "g": 19,
    "b": 35
  },
  "hsl": {
    "h": 346.087,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31134,
    "c": 0.10008,
    "h": 11.8
  },
  "luminance": 0.02662
}

Semantic roles & 50–950 ramp

primary

#581323

secondary

#37907B

accent

#E7C140

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0304

muted

#7E7879

Preview Lab

Preview with #581323

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

Preview Lab → · Contrast checker → · Palette generator →