#18677F#18677F

#18677F is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 47.9% C 0.081 H 223.4°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#18677F
RGBrgb(24, 103, 127)
HSLhsl(194, 68%, 30%)
HSVhsv(194, 81%, 50%)
CMYKcmyk(81.1%, 18.9%, 0%, 50.2%)
CIE-LABlab(40.29, -14.25, -19.96)
CIE-LCHlch(40.29, 24.53, 234.46°)
OKLaboklab(47.94% -0.0592 -0.0559)
OKLCHoklch(47.94% 0.081 223.4)
XYZxyz(9.0561, 11.4259, 21.8027)
Luminance0.1143 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18677F #7F3018
analogous
#187F64 #18677F #18337F
triadic
#18677F #7F1867 #677F18
tetradic
#18677F #64187F #7F3018 #337F18
square
#18677F #64187F #7F3018 #337F18
split-complementary
#18677F #7F1833 #7F6418
monochromatic
#05151A #0E3D4C #18677F #2291B2 #38B4D9

Accessibility & contrast

On white

6.39
#18677F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#18677F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18677F
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18677F#FFFFFF#000000##FFFFFF
##18677F1.006.393.296.39
#FFFFFF6.391.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#596480
Deuteranopia (green-blind)
#4C5B7F
Tritanopia (blue-blind)
#006E6F
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #18677f;
/* rgb */ color: rgb(24, 103, 127);
/* oklch */ color: oklch(47.9% 0.081 223.4);
Tailwind
colors: {
  custom: {
    50: '#6792a4',
    500: '#18677f',
    950: '#000000',
  },
}
SCSS
$custom: #18677f;
$custom-light: #6792a4;
$custom-dark: #000000;
JSON
{
  "hex": "#18677f",
  "rgb": {
    "r": 24,
    "g": 103,
    "b": 127
  },
  "hsl": {
    "h": 193.981,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.47935,
    "c": 0.08143,
    "h": 223.4
  },
  "luminance": 0.11427
}

Semantic roles & 50–950 ramp

primary
#18677F
secondary
#B35A3F
accent
#653DEB
background
#F6F9FA
surface
#EBF1F4
border
#C6CBCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #18677F

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

Preview Lab → · Contrast checker → · Palette generator →

#18677F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva