#18573A#18573A

#18573A is a dark, moderate teal. Relative luminance 0.073; OKLCH L 40.9% C 0.080 H 159.3°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#18573A
RGB	rgb(24, 87, 58)
HSL	hsl(152, 57%, 22%)
HSV	hsv(152, 72%, 34%)
CMYK	cmyk(72.4%, 0%, 33.3%, 65.9%)
CIE-LAB	lab(32.51, -27.59, 11.20)
CIE-LCH	lch(32.51, 29.78, 157.90°)
OKLab	oklab(40.87% -0.0752 0.0284)
OKLCH	oklch(40.87% 0.08 159.3)
XYZ	xyz(4.5482, 7.3156, 5.1745)
Luminance	0.0732 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18573A #571835

analogous

#18571B #18573A #185557

triadic

#18573A #3A1857 #573A18

tetradic

#18573A #1B1857 #571835 #555718

square

#18573A #1B1857 #571835 #555718

split-complementary

#18573A #571855 #571B18

monochromatic

#071810 #0B271A #18573A #25875A #32B77A

Accessibility & contrast

On white

8.53

#18573A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#18573A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18573A

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18573A	#FFFFFF	#000000	##FFFFFF
##18573A	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565038

Deuteranopia (green-blind)

#4E4A3C

Tritanopia (blue-blind)

#00574F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18573a;
/* rgb */ color: rgb(24, 87, 58);
/* oklch */ color: oklch(40.9% 0.080 159.3);

Tailwind

colors: {
  custom: {
    50: '#5e8770',
    500: '#18573a',
    950: '#000000',
  },
}

SCSS

$custom: #18573a;
$custom-light: #5e8770;
$custom-dark: #000000;

JSON

{
  "hex": "#18573a",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 58
  },
  "hsl": {
    "h": 152.381,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40865,
    "c": 0.08037,
    "h": 159.3
  },
  "luminance": 0.07316
}

Semantic roles & 50–950 ramp

primary

#18573A

secondary

#8E3D62

accent

#488EE0

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #18573A

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

Preview Lab → · Contrast checker → · Palette generator →