#18617D#18617D

#18617D is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.3% C 0.082 H 228.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#18617D
RGBrgb(24, 97, 125)
HSLhsl(197, 68%, 29%)
HSVhsv(197, 81%, 49%)
CMYKcmyk(80.8%, 22.4%, 0%, 51%)
CIE-LABlab(38.24, -11.51, -21.91)
CIE-LCHlch(38.24, 24.75, 242.29°)
OKLaboklab(46.27% -0.0538 -0.0616)
OKLCHoklch(46.27% 0.082 228.9)
XYZxyz(8.3515, 10.2232, 20.9312)
Luminance0.1022 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18617D #7D3418
analogous
#187D67 #18617D #182F7D
triadic
#18617D #7D1861 #617D18
tetradic
#18617D #67187D #7D3418 #2F7D18
square
#18617D #67187D #7D3418 #2F7D18
split-complementary
#18617D #7D182F #7D6718
monochromatic
#05141A #0E394A #18617D #2289B0 #37ACD9

Accessibility & contrast

On white

6.90
#18617D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#18617D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18617D
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18617D#FFFFFF#000000##FFFFFF
##18617D1.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#525F7E
Deuteranopia (green-blind)
#45567D
Tritanopia (blue-blind)
#00696A
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #18617d;
/* rgb */ color: rgb(24, 97, 125);
/* oklch */ color: oklch(46.3% 0.082 228.9);
Tailwind
colors: {
  custom: {
    50: '#678ea2',
    500: '#18617d',
    950: '#000000',
  },
}
SCSS
$custom: #18617d;
$custom-light: #678ea2;
$custom-dark: #000000;
JSON
{
  "hex": "#18617d",
  "rgb": {
    "r": 24,
    "g": 97,
    "b": 125
  },
  "hsl": {
    "h": 196.634,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.46265,
    "c": 0.08177,
    "h": 228.9
  },
  "luminance": 0.10224
}

Semantic roles & 50–950 ramp

primary
#18617D
secondary
#B25F3F
accent
#6D3DEB
background
#F6F8FA
surface
#EBF0F3
border
#C6CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #18617D

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

Preview Lab → · Contrast checker → · Palette generator →

#18617D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva