#18573C#18573C

#18573C is a dark, moderate teal. Relative luminance 0.073; OKLCH L 40.9% C 0.078 H 161.0°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#18573C
RGB	rgb(24, 87, 60)
HSL	hsl(154, 57%, 22%)
HSV	hsv(154, 72%, 34%)
CMYK	cmyk(72.4%, 0%, 31%, 65.9%)
CIE-LAB	lab(32.56, -27.10, 10.03)
CIE-LCH	lch(32.56, 28.90, 159.69°)
OKLab	oklab(40.92% -0.0741 0.0255)
OKLCH	oklch(40.92% 0.078 161)
XYZ	xyz(4.6000, 7.3363, 5.4477)
Luminance	0.0734 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18573C #571833

analogous

#18571D #18573C #185357

triadic

#18573C #3C1857 #573C18

tetradic

#18573C #1D1857 #571833 #535718

square

#18573C #1D1857 #571833 #535718

split-complementary

#18573C #571853 #571D18

monochromatic

#071811 #0B271B #18573C #25875D #32B77E

Accessibility & contrast

On white

8.51

#18573C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#18573C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18573C

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18573C	#FFFFFF	#000000	##FFFFFF
##18573C	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56503A

Deuteranopia (green-blind)

#4D4A3E

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18573c;
/* rgb */ color: rgb(24, 87, 60);
/* oklch */ color: oklch(40.9% 0.078 161.0);

Tailwind

colors: {
  custom: {
    50: '#5e8771',
    500: '#18573c',
    950: '#000000',
  },
}

SCSS

$custom: #18573c;
$custom-light: #5e8771;
$custom-dark: #000000;

JSON

{
  "hex": "#18573c",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 60
  },
  "hsl": {
    "h": 154.286,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40918,
    "c": 0.07836,
    "h": 161
  },
  "luminance": 0.07337
}

Semantic roles & 50–950 ramp

primary

#18573C

secondary

#8E3D60

accent

#4889E0

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #18573C

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

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