#18708B#18708B

#18708B is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 50.9% C 0.088 H 224.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#18708B
RGB	rgb(24, 112, 139)
HSL	hsl(194, 71%, 32%)
HSV	hsv(194, 83%, 55%)
CMYK	cmyk(82.7%, 19.4%, 0%, 45.5%)
CIE-LAB	lab(43.72, -15.02, -21.88)
CIE-LCH	lch(43.72, 26.54, 235.53°)
OKLab	oklab(50.86% -0.0634 -0.0614)
OKLCH	oklch(50.86% 0.088 224.1)
XYZ	xyz(10.8291, 13.6453, 26.4841)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18708B #8B3318

analogous

#188B6D #18708B #18378B

triadic

#18708B #8B1870 #708B18

tetradic

#18708B #6D188B #8B3318 #378B18

square

#18708B #6D188B #8B3318 #378B18

split-complementary

#18708B #8B1837 #8B6D18

monochromatic

#061C23 #0F4657 #18708B #219ABF #3FB9DE

Accessibility & contrast

On white

5.63

#18708B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#18708B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18708B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18708B	#FFFFFF	#000000	##FFFFFF
##18708B	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616D8C

Deuteranopia (green-blind)

#52638B

Tritanopia (blue-blind)

#007879

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #18708b;
/* rgb */ color: rgb(24, 112, 139);
/* oklch */ color: oklch(50.9% 0.088 224.1);

Tailwind

colors: {
  custom: {
    50: '#6a99ad',
    500: '#18708b',
    950: '#000000',
  },
}

SCSS

$custom: #18708b;
$custom-light: #6a99ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18708b",
  "rgb": {
    "r": 24,
    "g": 112,
    "b": 139
  },
  "hsl": {
    "h": 194.087,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.50858,
    "c": 0.08827,
    "h": 224.1
  },
  "luminance": 0.13647
}

Semantic roles & 50–950 ramp

primary

#18708B

secondary

#BE5E40

accent

#643AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18708B

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

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