#18728D#18728D

#18728D is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.5% C 0.089 H 223.6°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#18728D
RGB	rgb(24, 114, 141)
HSL	hsl(194, 71%, 32%)
HSV	hsv(194, 83%, 55%)
CMYK	cmyk(83%, 19.1%, 0%, 44.7%)
CIE-LAB	lab(44.45, -15.42, -21.95)
CIE-LCH	lch(44.45, 26.83, 234.90°)
OKLab	oklab(51.47% -0.0646 -0.0616)
OKLCH	oklch(51.47% 0.089 223.6)
XYZ	xyz(11.1997, 14.1505, 27.3352)
Luminance	0.1415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18728D #8D3318

analogous

#188D6D #18728D #18388D

triadic

#18728D #8D1872 #728D18

tetradic

#18728D #6D188D #8D3318 #388D18

square

#18728D #6D188D #8D3318 #388D18

split-complementary

#18728D #8D1838 #8D6D18

monochromatic

#061D24 #0F4859 #18728D #219CC1 #41BADF

Accessibility & contrast

On white

5.48

#18728D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#18728D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18728D

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18728D	#FFFFFF	#000000	##FFFFFF
##18728D	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636F8E

Deuteranopia (green-blind)

#53648D

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #18728d;
/* rgb */ color: rgb(24, 114, 141);
/* oklch */ color: oklch(51.5% 0.089 223.6);

Tailwind

colors: {
  custom: {
    50: '#6b9aae',
    500: '#18728d',
    950: '#000000',
  },
}

SCSS

$custom: #18728d;
$custom-light: #6b9aae;
$custom-dark: #000000;

JSON

{
  "hex": "#18728d",
  "rgb": {
    "r": 24,
    "g": 114,
    "b": 141
  },
  "hsl": {
    "h": 193.846,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5147,
    "c": 0.08926,
    "h": 223.6
  },
  "luminance": 0.14152
}

Semantic roles & 50–950 ramp

primary

#18728D

secondary

#BF5F42

accent

#643AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18728D

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

Preview Lab → · Contrast checker → · Palette generator →