#18688F#18688F

#18688F is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.0% C 0.096 H 235.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#18688F
RGB	rgb(24, 104, 143)
HSL	hsl(200, 71%, 33%)
HSV	hsv(200, 83%, 56%)
CMYK	cmyk(83.2%, 27.3%, 0%, 43.9%)
CIE-LAB	lab(41.34, -8.90, -27.98)
CIE-LCH	lch(41.34, 29.36, 252.36°)
OKLab	oklab(49.01% -0.054 -0.079)
OKLCH	oklch(49.01% 0.096 235.7)
XYZ	xyz(10.2829, 12.0767, 27.7704)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18688F #8F3F18

analogous

#188F7A #18688F #182C8F

triadic

#18688F #8F1868 #688F18

tetradic

#18688F #7A188F #8F3F18 #2C8F18

square

#18688F #7A188F #8F3F18 #2C8F18

split-complementary

#18688F #8F182C #8F7A18

monochromatic

#061C26 #0F425B #18688F #218EC3 #42ACDF

Accessibility & contrast

On white

6.15

#18688F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#18688F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18688F

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18688F	#FFFFFF	#000000	##FFFFFF
##18688F	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556891

Deuteranopia (green-blind)

#455D8E

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #18688f;
/* rgb */ color: rgb(24, 104, 143);
/* oklch */ color: oklch(49.0% 0.096 235.7);

Tailwind

colors: {
  custom: {
    50: '#6a93b0',
    500: '#18688f',
    950: '#000000',
  },
}

SCSS

$custom: #18688f;
$custom-light: #6a93b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18688f",
  "rgb": {
    "r": 24,
    "g": 104,
    "b": 143
  },
  "hsl": {
    "h": 199.664,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.49014,
    "c": 0.09574,
    "h": 235.7
  },
  "luminance": 0.12078
}

Semantic roles & 50–950 ramp

primary

#18688F

secondary

#C06C43

accent

#753AEE

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #18688F

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

Preview Lab → · Contrast checker → · Palette generator →