#18573D#18573D

#18573D is a dark, moderate teal. Relative luminance 0.073; OKLCH L 40.9% C 0.077 H 161.9°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#18573D
RGB	rgb(24, 87, 61)
HSL	hsl(155, 57%, 22%)
HSV	hsv(155, 72%, 34%)
CMYK	cmyk(72.4%, 0%, 29.9%, 65.9%)
CIE-LAB	lab(32.58, -26.85, 9.44)
CIE-LCH	lch(32.58, 28.46, 160.63°)
OKLab	oklab(40.95% -0.0735 0.024)
OKLCH	oklch(40.95% 0.077 161.9)
XYZ	xyz(4.6267, 7.3470, 5.5883)
Luminance	0.0735 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18573D #571832

analogous

#18571E #18573D #185257

triadic

#18573D #3D1857 #573D18

tetradic

#18573D #1E1857 #571832 #525718

square

#18573D #1E1857 #571832 #525718

split-complementary

#18573D #571852 #571E18

monochromatic

#071811 #0B271B #18573D #25875F #32B780

Accessibility & contrast

On white

8.50

#18573D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#18573D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18573D

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18573D	#FFFFFF	#000000	##FFFFFF
##18573D	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)

#56503C

Deuteranopia (green-blind)

#4D4A3F

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18573d;
/* rgb */ color: rgb(24, 87, 61);
/* oklch */ color: oklch(40.9% 0.077 161.9);

Tailwind

colors: {
  custom: {
    50: '#5e8772',
    500: '#18573d',
    950: '#000000',
  },
}

SCSS

$custom: #18573d;
$custom-light: #5e8772;
$custom-dark: #000000;

JSON

{
  "hex": "#18573d",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 61
  },
  "hsl": {
    "h": 155.238,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40945,
    "c": 0.07738,
    "h": 161.9
  },
  "luminance": 0.07348
}

Semantic roles & 50–950 ramp

primary

#18573D

secondary

#8E3D5E

accent

#4887E0

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B08

muted

#797C7B

Preview Lab

Preview with #18573D

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

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