#18583A#18583A

#18583A is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.2% C 0.082 H 158.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#18583A
RGB	rgb(24, 88, 58)
HSL	hsl(152, 57%, 22%)
HSV	hsv(152, 73%, 35%)
CMYK	cmyk(72.7%, 0%, 34.1%, 65.5%)
CIE-LAB	lab(32.87, -28.05, 11.69)
CIE-LCH	lch(32.87, 30.39, 157.37°)
OKLab	oklab(41.16% -0.0764 0.0296)
OKLCH	oklch(41.16% 0.082 158.8)
XYZ	xyz(4.6297, 7.4786, 5.2017)
Luminance	0.0748 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18583A #581836

analogous

#18581A #18583A #185658

triadic

#18583A #3A1858 #583A18

tetradic

#18583A #1A1858 #581836 #565818

square

#18583A #1A1858 #581836 #565818

split-complementary

#18583A #581856 #581A18

monochromatic

#071810 #0B281A #18583A #25885A #32B879

Accessibility & contrast

On white

8.41

#18583A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#18583A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18583A

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18583A	#FFFFFF	#000000	##FFFFFF
##18583A	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575138

Deuteranopia (green-blind)

#4F4B3C

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18583a;
/* rgb */ color: rgb(24, 88, 58);
/* oklch */ color: oklch(41.2% 0.082 158.8);

Tailwind

colors: {
  custom: {
    50: '#5e8870',
    500: '#18583a',
    950: '#000000',
  },
}

SCSS

$custom: #18583a;
$custom-light: #5e8870;
$custom-dark: #000000;

JSON

{
  "hex": "#18583a",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 58
  },
  "hsl": {
    "h": 151.875,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41159,
    "c": 0.0819,
    "h": 158.8
  },
  "luminance": 0.07479
}

Semantic roles & 50–950 ramp

primary

#18583A

secondary

#8F3D63

accent

#478FE0

background

#F5F8F6

surface

#EAF0EC

border

#C6CBC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #18583A

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

Preview Lab → · Contrast checker → · Palette generator →