#18647C#18647C

#18647C is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.0% C 0.080 H 224.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#18647C
RGBrgb(24, 100, 124)
HSLhsl(194, 68%, 29%)
HSVhsv(194, 81%, 49%)
CMYKcmyk(80.6%, 19.4%, 0%, 51.4%)
CIE-LABlab(39.18, -13.62, -19.85)
CIE-LCHlch(39.18, 24.07, 235.53°)
OKLaboklab(47% -0.0573 -0.0556)
OKLCHoklch(47% 0.08 224.2)
XYZxyz(8.5704, 10.7627, 20.6906)
Luminance0.1076 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18647C #7C3018
analogous
#187C62 #18647C #18327C
triadic
#18647C #7C1864 #647C18
tetradic
#18647C #62187C #7C3018 #327C18
square
#18647C #62187C #7C3018 #327C18
split-complementary
#18647C #7C1832 #7C6218
monochromatic
#05151A #0E3B49 #18647C #228DAF #36B1D8

Accessibility & contrast

On white

6.66
#18647C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#18647C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18647C
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18647C#FFFFFF#000000##FFFFFF
##18647C1.006.663.156.66
#FFFFFF6.661.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#57627D
Deuteranopia (green-blind)
#49587C
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #18647c;
/* rgb */ color: rgb(24, 100, 124);
/* oklch */ color: oklch(47.0% 0.080 224.2);
Tailwind
colors: {
  custom: {
    50: '#6790a2',
    500: '#18647c',
    950: '#000000',
  },
}
SCSS
$custom: #18647c;
$custom-light: #6790a2;
$custom-dark: #000000;
JSON
{
  "hex": "#18647c",
  "rgb": {
    "r": 24,
    "g": 100,
    "b": 124
  },
  "hsl": {
    "h": 194.4,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47002,
    "c": 0.07987,
    "h": 224.2
  },
  "luminance": 0.10764
}

Semantic roles & 50–950 ramp

primary
#18647C
secondary
#B15A3F
accent
#673DEA
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E

Preview Lab

Preview with #18647C

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

Preview Lab → · Contrast checker → · Palette generator →

#18647C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva