#583A37#583A37

#583A37 is a dark, muted red. Relative luminance 0.054; OKLCH L 38.2% C 0.043 H 25.6°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#583A37
RGB	rgb(88, 58, 55)
HSL	hsl(5, 23%, 28%)
HSV	hsv(5, 38%, 35%)
CMYK	cmyk(0%, 34.1%, 37.5%, 65.5%)
CIE-LAB	lab(27.78, 12.85, 7.26)
CIE-LCH	lch(27.78, 14.76, 29.45°)
OKLab	oklab(38.23% 0.0391 0.0187)
OKLCH	oklch(38.23% 0.043 25.6)
XYZ	xyz(6.2274, 5.3771, 4.3236)
Luminance	0.0538 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583A37 #375558

analogous

#583744 #583A37 #584A37

triadic

#583A37 #37583A #3A3758

tetradic

#583A37 #445837 #375558 #4A3758

square

#583A37 #445837 #375558 #4A3758

split-complementary

#583A37 #37584A #374458

monochromatic

#130C0C #32211F #583A37 #7E534F #A16E68

Accessibility & contrast

On white

10.12

#583A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#583A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583A37

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583A37	#FFFFFF	#000000	##FFFFFF
##583A37	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403E37

Deuteranopia (green-blind)

#474437

Tritanopia (blue-blind)

#5E3639

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #583a37;
/* rgb */ color: rgb(88, 58, 55);
/* oklch */ color: oklch(38.2% 0.043 25.6);

Tailwind

colors: {
  custom: {
    50: '#88706d',
    500: '#583a37',
    950: '#000000',
  },
}

SCSS

$custom: #583a37;
$custom-light: #88706d;
$custom-dark: #000000;

JSON

{
  "hex": "#583a37",
  "rgb": {
    "r": 88,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 5.455,
    "s": 23.077,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38232,
    "c": 0.04331,
    "h": 25.6
  },
  "luminance": 0.05377
}

Semantic roles & 50–950 ramp

primary

#583A37

secondary

#628588

accent

#B8C068

background

#F8F6F6

surface

#F0ECEB

border

#CBC7C6

text

#0B0707

muted

#7C7A7A

Preview Lab

Preview with #583A37

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

Preview Lab → · Contrast checker → · Palette generator →