#18573E#18573E

#18573E is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.0% C 0.076 H 162.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#18573E
RGB	rgb(24, 87, 62)
HSL	hsl(156, 57%, 22%)
HSV	hsv(156, 72%, 34%)
CMYK	cmyk(72.4%, 0%, 28.7%, 65.9%)
CIE-LAB	lab(32.61, -26.60, 8.85)
CIE-LCH	lch(32.61, 28.03, 161.59°)
OKLab	oklab(40.97% -0.073 0.0226)
OKLCH	oklch(40.97% 0.076 162.8)
XYZ	xyz(4.6539, 7.3579, 5.7314)
Luminance	0.0736 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18573E #571831

analogous

#18571E #18573E #185157

triadic

#18573E #3E1857 #573E18

tetradic

#18573E #1E1857 #571831 #515718

square

#18573E #1E1857 #571831 #515718

split-complementary

#18573E #571851 #571E18

monochromatic

#071811 #0B271C #18573E #258760 #32B782

Accessibility & contrast

On white

8.50

#18573E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#18573E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18573E

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18573E	#FFFFFF	#000000	##FFFFFF
##18573E	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503D

Deuteranopia (green-blind)

#4D4A40

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18573e;
/* rgb */ color: rgb(24, 87, 62);
/* oklch */ color: oklch(41.0% 0.076 162.8);

Tailwind

colors: {
  custom: {
    50: '#5e8773',
    500: '#18573e',
    950: '#000000',
  },
}

SCSS

$custom: #18573e;
$custom-light: #5e8773;
$custom-dark: #000000;

JSON

{
  "hex": "#18573e",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 62
  },
  "hsl": {
    "h": 156.19,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40972,
    "c": 0.07642,
    "h": 162.8
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#18573E

secondary

#8E3D5D

accent

#4884E0

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B08

muted

#797C7B

Preview Lab

Preview with #18573E

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

Preview Lab → · Contrast checker → · Palette generator →