#18688E#18688E

#18688E is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.0% C 0.095 H 235.0°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#18688E
RGBrgb(24, 104, 142)
HSLhsl(199, 71%, 33%)
HSVhsv(199, 83%, 56%)
CMYKcmyk(83.1%, 26.8%, 0%, 44.3%)
CIE-LABlab(41.29, -9.28, -27.45)
CIE-LCHlch(41.29, 28.98, 251.33°)
OKLaboklab(48.96% -0.0544 -0.0775)
OKLCHoklch(48.96% 0.095 235)
XYZxyz(10.2075, 12.0465, 27.3732)
Luminance0.1205 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18688E #8E3E18
analogous
#188E79 #18688E #182D8E
triadic
#18688E #8E1868 #688E18
tetradic
#18688E #79188E #8E3E18 #2D8E18
square
#18688E #79188E #8E3E18 #2D8E18
split-complementary
#18688E #8E182D #8E7918
monochromatic
#061B25 #0F425A #18688E #218EC2 #41ACDF

Accessibility & contrast

On white

6.16
#18688E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#18688E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18688E
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18688E#FFFFFF#000000##FFFFFF
##18688E1.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#556790
Deuteranopia (green-blind)
#465D8D
Tritanopia (blue-blind)
#007275
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #18688e;
/* rgb */ color: rgb(24, 104, 142);
/* oklch */ color: oklch(49.0% 0.095 235.0);
Tailwind
colors: {
  custom: {
    50: '#6a93af',
    500: '#18688e',
    950: '#000000',
  },
}
SCSS
$custom: #18688e;
$custom-light: #6a93af;
$custom-dark: #000000;
JSON
{
  "hex": "#18688e",
  "rgb": {
    "r": 24,
    "g": 104,
    "b": 142
  },
  "hsl": {
    "h": 199.322,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4896,
    "c": 0.09469,
    "h": 235
  },
  "luminance": 0.12048
}

Semantic roles & 50–950 ramp

primary
#18688E
secondary
#C06B42
accent
#743AEE
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #18688E

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

Preview Lab → · Contrast checker → · Palette generator →

#18688E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva