#581A1A#581A1A

#581A1A is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.092 H 23.9°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#581A1A
RGB	rgb(88, 26, 26)
HSL	hsl(0, 54%, 22%)
HSV	hsv(0, 70%, 35%)
CMYK	cmyk(0%, 70.5%, 70.5%, 65.5%)
CIE-LAB	lab(19.59, 28.54, 15.73)
CIE-LCH	lch(19.59, 32.59, 28.86°)
OKLab	oklab(31.78% 0.0838 0.0372)
OKLCH	oklch(31.78% 0.092 23.9)
XYZ	xyz(4.5808, 2.8887, 1.2934)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A1A #1A5858

analogous

#581A39 #581A1A #58391A

triadic

#581A1A #1A581A #1A1A58

tetradic

#581A1A #39581A #1A5858 #391A58

square

#581A1A #39581A #1A5858 #391A58

split-complementary

#581A1A #1A5839 #1A3958

monochromatic

#180707 #290C0C #581A1A #872828 #B63636

Accessibility & contrast

On white

13.31

#581A1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581A1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A1A

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A1A	#FFFFFF	#000000	##FFFFFF
##581A1A	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2719

Deuteranopia (green-blind)

#3A3418

Tritanopia (blue-blind)

#610B1B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581a1a;
/* rgb */ color: rgb(88, 26, 26);
/* oklch */ color: oklch(31.8% 0.092 23.9);

Tailwind

colors: {
  custom: {
    50: '#8c5a56',
    500: '#581a1a',
    950: '#000000',
  },
}

SCSS

$custom: #581a1a;
$custom-light: #8c5a56;
$custom-dark: #000000;

JSON

{
  "hex": "#581a1a",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 26
  },
  "hsl": {
    "h": 0,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31782,
    "c": 0.09173,
    "h": 23.9
  },
  "luminance": 0.02888
}

Semantic roles & 50–950 ramp

primary

#581A1A

secondary

#408E8E

accent

#DEDE4A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581A1A

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

Preview Lab → · Contrast checker → · Palette generator →