#18728E#18728E

#18728E is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.5% C 0.090 H 224.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#18728E
RGB	rgb(24, 114, 142)
HSL	hsl(194, 71%, 33%)
HSV	hsv(194, 83%, 56%)
CMYK	cmyk(83.1%, 19.7%, 0%, 44.3%)
CIE-LAB	lab(44.49, -15.06, -22.48)
CIE-LCH	lch(44.49, 27.06, 236.17°)
OKLab	oklab(51.52% -0.0642 -0.0631)
OKLCH	oklch(51.52% 0.09 224.5)
XYZ	xyz(11.2744, 14.1804, 27.7288)
Luminance	0.1418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18728E #8E3418

analogous

#188E6F #18728E #18378E

triadic

#18728E #8E1872 #728E18

tetradic

#18728E #6F188E #8E3418 #378E18

square

#18728E #6F188E #8E3418 #378E18

split-complementary

#18728E #8E1837 #8E6F18

monochromatic

#061E25 #0F485A #18728E #219CC2 #41BADF

Accessibility & contrast

On white

5.47

#18728E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#18728E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18728E

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18728E	#FFFFFF	#000000	##FFFFFF
##18728E	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626F8F

Deuteranopia (green-blind)

#53648E

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #18728e;
/* rgb */ color: rgb(24, 114, 142);
/* oklch */ color: oklch(51.5% 0.090 224.5);

Tailwind

colors: {
  custom: {
    50: '#6b9aaf',
    500: '#18728e',
    950: '#000000',
  },
}

SCSS

$custom: #18728e;
$custom-light: #6b9aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#18728e",
  "rgb": {
    "r": 24,
    "g": 114,
    "b": 142
  },
  "hsl": {
    "h": 194.237,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.51519,
    "c": 0.09003,
    "h": 224.5
  },
  "luminance": 0.14182
}

Semantic roles & 50–950 ramp

primary

#18728E

secondary

#C06042

accent

#653AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18728E

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

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