#18788D#18788D

#18788D is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.0% C 0.088 H 216.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#18788D
RGB	rgb(24, 120, 141)
HSL	hsl(191, 71%, 32%)
HSV	hsv(191, 83%, 55%)
CMYK	cmyk(83%, 14.9%, 0%, 44.7%)
CIE-LAB	lab(46.38, -18.74, -18.98)
CIE-LCH	lch(46.38, 26.67, 225.36°)
OKLab	oklab(53.02% -0.0706 -0.0531)
OKLCH	oklch(53.02% 0.088 216.9)
XYZ	xyz(11.8988, 15.5487, 27.5682)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18788D #8D2D18

analogous

#188D67 #18788D #183E8D

triadic

#18788D #8D1878 #788D18

tetradic

#18788D #67188D #8D2D18 #3E8D18

square

#18788D #67188D #8D2D18 #3E8D18

split-complementary

#18788D #8D183E #8D6718

monochromatic

#061F24 #0F4B59 #18788D #21A5C1 #41C2DF

Accessibility & contrast

On white

5.11

#18788D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#18788D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18788D

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18788D	#FFFFFF	#000000	##FFFFFF
##18788D	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A748E

Deuteranopia (green-blind)

#5B698D

Tritanopia (blue-blind)

#007F7F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #18788d;
/* rgb */ color: rgb(24, 120, 141);
/* oklch */ color: oklch(53.0% 0.088 216.9);

Tailwind

colors: {
  custom: {
    50: '#6b9fae',
    500: '#18788d',
    950: '#000000',
  },
}

SCSS

$custom: #18788d;
$custom-light: #6b9fae;
$custom-dark: #000000;

JSON

{
  "hex": "#18788d",
  "rgb": {
    "r": 24,
    "g": 120,
    "b": 141
  },
  "hsl": {
    "h": 190.769,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.53021,
    "c": 0.08834,
    "h": 216.9
  },
  "luminance": 0.1555
}

Semantic roles & 50–950 ramp

primary

#18788D

secondary

#BF5842

accent

#5A3AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18788D

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

Preview Lab → · Contrast checker → · Palette generator →