#18364E#18364E

#18364E is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.056 H 245.0°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX#18364E
RGBrgb(24, 54, 78)
HSLhsl(207, 53%, 20%)
HSVhsv(207, 69%, 31%)
CMYKcmyk(69.2%, 30.8%, 0%, 69.4%)
CIE-LABlab(21.51, -2.46, -18.02)
CIE-LCHlch(21.51, 18.18, 262.24°)
OKLaboklab(32.21% -0.0237 -0.0507)
OKLCHoklch(32.21% 0.056 245)
XYZxyz(3.0705, 3.3823, 7.6973)
Luminance0.0338 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18364E #4E3018
analogous
#184E4B #18364E #181B4E
triadic
#18364E #4E1836 #364E18
tetradic
#18364E #4B184E #4E3018 #1B4E18
square
#18364E #4B184E #4E3018 #1B4E18
split-complementary
#18364E #4E181B #4E4B18
monochromatic
#071017 #0A161F #18364E #26567D #3577AC

Accessibility & contrast

On white

12.53
#18364E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#18364E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18364E
12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18364E#FFFFFF#000000##FFFFFF
##18364E1.0012.531.6812.53
#FFFFFF12.531.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B374F
Deuteranopia (green-blind)
#24314E
Tritanopia (blue-blind)
#003C3E
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #18364e;
/* rgb */ color: rgb(24, 54, 78);
/* oklch */ color: oklch(32.2% 0.056 245.0);
Tailwind
colors: {
  custom: {
    50: '#5b6c7f',
    500: '#18364e',
    950: '#000000',
  },
}
SCSS
$custom: #18364e;
$custom-light: #5b6c7f;
$custom-dark: #000000;
JSON
{
  "hex": "#18364e",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 78
  },
  "hsl": {
    "h": 206.667,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.32207,
    "c": 0.056,
    "h": 245
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary
#18364E
secondary
#855D3D
accent
#8C4BDC
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #18364E

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

Preview Lab → · Contrast checker → · Palette generator →

#18364E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva