#18564B#18564B

#18564B is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.1% C 0.065 H 178.7°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#18564B
RGB	rgb(24, 86, 75)
HSL	hsl(169, 56%, 22%)
HSV	hsv(169, 72%, 34%)
CMYK	cmyk(72.1%, 0%, 12.8%, 66.3%)
CIE-LAB	lab(32.61, -22.49, 0.69)
CIE-LCH	lch(32.61, 22.50, 178.23°)
OKLab	oklab(41.09% -0.0648 0.0015)
OKLCH	oklch(41.09% 0.065 178.7)
XYZ	xyz(4.9739, 7.3572, 7.8132)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18564B #561823

analogous

#18562C #18564B #184256

triadic

#18564B #4B1856 #564B18

tetradic

#18564B #2C1856 #561823 #425618

square

#18564B #2C1856 #561823 #425618

split-complementary

#18564B #561842 #562C18

monochromatic

#071815 #0B2621 #18564B #258675 #33B69E

Accessibility & contrast

On white

8.50

#18564B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#18564B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18564B

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18564B	#FFFFFF	#000000	##FFFFFF
##18564B	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)

#52504B

Deuteranopia (green-blind)

#494A4C

Tritanopia (blue-blind)

#005753

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18564b;
/* rgb */ color: rgb(24, 86, 75);
/* oklch */ color: oklch(41.1% 0.065 178.7);

Tailwind

colors: {
  custom: {
    50: '#5e867d',
    500: '#18564b',
    950: '#000000',
  },
}

SCSS

$custom: #18564b;
$custom-light: #5e867d;
$custom-dark: #000000;

JSON

{
  "hex": "#18564b",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 75
  },
  "hsl": {
    "h": 169.355,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.41088,
    "c": 0.06482,
    "h": 178.7
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#18564B

secondary

#8D3D4B

accent

#4863E0

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #18564B

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

Preview Lab → · Contrast checker → · Palette generator →