#18718F#18718F

#18718F is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.3% C 0.091 H 226.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#18718F
RGBrgb(24, 113, 143)
HSLhsl(195, 71%, 33%)
HSVhsv(195, 83%, 56%)
CMYKcmyk(83.2%, 21%, 0%, 43.9%)
CIE-LABlab(44.21, -14.13, -23.50)
CIE-LCHlch(44.21, 27.42, 238.98°)
OKLaboklab(51.31% -0.0628 -0.066)
OKLCHoklch(51.31% 0.091 226.4)
XYZxyz(11.2377, 13.9862, 28.0886)
Luminance0.1399 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18718F #8F3618
analogous
#188F71 #18718F #18368F
triadic
#18718F #8F1871 #718F18
tetradic
#18718F #71188F #8F3618 #368F18
square
#18718F #71188F #8F3618 #368F18
split-complementary
#18718F #8F1836 #8F7118
monochromatic
#061E26 #0F485B #18718F #219AC3 #42B8DF

Accessibility & contrast

On white

5.53
#18718F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#18718F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18718F
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18718F#FFFFFF#000000##FFFFFF
##18718F1.005.533.805.53
#FFFFFF5.531.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#616F90
Deuteranopia (green-blind)
#51648F
Tritanopia (blue-blind)
#007A7B
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #18718f;
/* rgb */ color: rgb(24, 113, 143);
/* oklch */ color: oklch(51.3% 0.091 226.4);
Tailwind
colors: {
  custom: {
    50: '#6b99b0',
    500: '#18718f',
    950: '#000000',
  },
}
SCSS
$custom: #18718f;
$custom-light: #6b99b0;
$custom-dark: #000000;
JSON
{
  "hex": "#18718f",
  "rgb": {
    "r": 24,
    "g": 113,
    "b": 143
  },
  "hsl": {
    "h": 195.126,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5131,
    "c": 0.09116,
    "h": 226.4
  },
  "luminance": 0.13988
}

Semantic roles & 50–950 ramp

primary
#18718F
secondary
#C06243
accent
#673AEE
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #18718F

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

Preview Lab → · Contrast checker → · Palette generator →

#18718F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva