#18788E#18788E

#18788E is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.1% C 0.089 H 217.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#18788E
RGB	rgb(24, 120, 142)
HSL	hsl(191, 71%, 33%)
HSV	hsv(191, 83%, 56%)
CMYK	cmyk(83.1%, 15.5%, 0%, 44.3%)
CIE-LAB	lab(46.42, -18.39, -19.51)
CIE-LCH	lch(46.42, 26.81, 226.69°)
OKLab	oklab(53.07% -0.0702 -0.0546)
OKLCH	oklch(53.07% 0.089 217.9)
XYZ	xyz(11.9736, 15.5786, 27.9618)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18788E #8E2E18

analogous

#188E69 #18788E #183D8E

triadic

#18788E #8E1878 #788E18

tetradic

#18788E #69188E #8E2E18 #3D8E18

square

#18788E #69188E #8E2E18 #3D8E18

split-complementary

#18788E #8E183D #8E6918

monochromatic

#062025 #0F4C5A #18788E #21A4C2 #41C2DF

Accessibility & contrast

On white

5.10

#18788E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#18788E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18788E

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18788E	#FFFFFF	#000000	##FFFFFF
##18788E	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A748F

Deuteranopia (green-blind)

#5A698E

Tritanopia (blue-blind)

#007F7F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #18788e;
/* rgb */ color: rgb(24, 120, 142);
/* oklch */ color: oklch(53.1% 0.089 217.9);

Tailwind

colors: {
  custom: {
    50: '#6c9faf',
    500: '#18788e',
    950: '#000000',
  },
}

SCSS

$custom: #18788e;
$custom-light: #6c9faf;
$custom-dark: #000000;

JSON

{
  "hex": "#18788e",
  "rgb": {
    "r": 24,
    "g": 120,
    "b": 142
  },
  "hsl": {
    "h": 191.186,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.53067,
    "c": 0.08892,
    "h": 217.9
  },
  "luminance": 0.1558
}

Semantic roles & 50–950 ramp

primary

#18788E

secondary

#C05A42

accent

#5B3AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18788E

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

Preview Lab → · Contrast checker → · Palette generator →