#18728F#18728F

#18728F is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.6% C 0.091 H 225.4°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#18728F
RGB	rgb(24, 114, 143)
HSL	hsl(195, 71%, 33%)
HSV	hsv(195, 83%, 56%)
CMYK	cmyk(83.2%, 20.3%, 0%, 43.9%)
CIE-LAB	lab(44.53, -14.70, -23.01)
CIE-LCH	lch(44.53, 27.30, 237.42°)
OKLab	oklab(51.57% -0.0638 -0.0646)
OKLCH	oklch(51.57% 0.091 225.4)
XYZ	xyz(11.3499, 14.2106, 28.1260)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18728F #8F3518

analogous

#188F70 #18728F #18368F

triadic

#18728F #8F1872 #728F18

tetradic

#18728F #70188F #8F3518 #368F18

square

#18728F #70188F #8F3518 #368F18

split-complementary

#18728F #8F1836 #8F7018

monochromatic

#061E26 #0F485B #18728F #219CC3 #42B9DF

Accessibility & contrast

On white

5.47

#18728F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#18728F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18728F

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18728F	#FFFFFF	#000000	##FFFFFF
##18728F	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)

#627090

Deuteranopia (green-blind)

#53648F

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #18728f;
/* rgb */ color: rgb(24, 114, 143);
/* oklch */ color: oklch(51.6% 0.091 225.4);

Tailwind

colors: {
  custom: {
    50: '#6b9ab0',
    500: '#18728f',
    950: '#000000',
  },
}

SCSS

$custom: #18728f;
$custom-light: #6b9ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#18728f",
  "rgb": {
    "r": 24,
    "g": 114,
    "b": 143
  },
  "hsl": {
    "h": 194.622,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.51567,
    "c": 0.09082,
    "h": 225.4
  },
  "luminance": 0.14212
}

Semantic roles & 50–950 ramp

primary

#18728F

secondary

#C06143

accent

#663AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18728F

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

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