#581A1C#581A1C

#581A1C is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.091 H 22.2°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#581A1C
RGB	rgb(88, 26, 28)
HSL	hsl(358, 54%, 22%)
HSV	hsv(358, 70%, 35%)
CMYK	cmyk(0%, 70.5%, 68.2%, 65.5%)
CIE-LAB	lab(19.63, 28.68, 14.41)
CIE-LCH	lch(19.63, 32.10, 26.67°)
OKLab	oklab(31.82% 0.0847 0.0345)
OKLCH	oklch(31.82% 0.091 22.2)
XYZ	xyz(4.6040, 2.8980, 1.4153)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A1C #1A5856

analogous

#581A3B #581A1C #58371A

triadic

#581A1C #1C581A #1A1C58

tetradic

#581A1C #3B581A #1A5856 #371A58

square

#581A1C #3B581A #1A5856 #371A58

split-complementary

#581A1C #1A5837 #1A3B58

monochromatic

#180708 #290C0D #581A1C #87282B #B6363A

Accessibility & contrast

On white

13.30

#581A1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581A1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A1C

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A1C	#FFFFFF	#000000	##FFFFFF
##581A1C	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271C

Deuteranopia (green-blind)

#3A341A

Tritanopia (blue-blind)

#610C1B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581a1c;
/* rgb */ color: rgb(88, 26, 28);
/* oklch */ color: oklch(31.8% 0.091 22.2);

Tailwind

colors: {
  custom: {
    50: '#8c5a58',
    500: '#581a1c',
    950: '#000000',
  },
}

SCSS

$custom: #581a1c;
$custom-light: #8c5a58;
$custom-dark: #000000;

JSON

{
  "hex": "#581a1c",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 28
  },
  "hsl": {
    "h": 358.065,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31823,
    "c": 0.09147,
    "h": 22.2
  },
  "luminance": 0.02897
}

Semantic roles & 50–950 ramp

primary

#581A1C

secondary

#408E8C

accent

#DED94A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581A1C

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

Preview Lab → · Contrast checker → · Palette generator →