#18516A#18516A

#18516A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.071 H 231.3°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#18516A
RGBrgb(24, 81, 106)
HSLhsl(198, 63%, 25%)
HSVhsv(198, 77%, 42%)
CMYKcmyk(77.4%, 23.6%, 0%, 58.4%)
CIE-LABlab(32.08, -9.03, -19.70)
CIE-LCHlch(32.08, 21.67, 245.37°)
OKLaboklab(41.05% -0.0443 -0.0554)
OKLCHoklch(41.05% 0.071 231.3)
XYZxyz(5.9196, 7.1190, 14.6950)
Luminance0.0712 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18516A #6A3118
analogous
#186A5A #18516A #18286A
triadic
#18516A #6A1851 #516A18
tetradic
#18516A #5A186A #6A3118 #286A18
square
#18516A #5A186A #6A3118 #286A18
split-complementary
#18516A #6A1828 #6A5A18
monochromatic
#061319 #0D2B38 #18516A #23779C #2F9DCE

Accessibility & contrast

On white

8.66
#18516A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#18516A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18516A
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18516A#FFFFFF#000000##FFFFFF
##18516A1.008.662.428.66
#FFFFFF8.661.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44506B
Deuteranopia (green-blind)
#39486A
Tritanopia (blue-blind)
#005859
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #18516a;
/* rgb */ color: rgb(24, 81, 106);
/* oklch */ color: oklch(41.1% 0.071 231.3);
Tailwind
colors: {
  custom: {
    50: '#628194',
    500: '#18516a',
    950: '#000000',
  },
}
SCSS
$custom: #18516a;
$custom-light: #628194;
$custom-dark: #000000;
JSON
{
  "hex": "#18516a",
  "rgb": {
    "r": 24,
    "g": 81,
    "b": 106
  },
  "hsl": {
    "h": 198.293,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.41053,
    "c": 0.07092,
    "h": 231.3
  },
  "luminance": 0.0712
}

Semantic roles & 50–950 ramp

primary
#18516A
secondary
#A05C3E
accent
#7442E6
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #18516A

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

Preview Lab → · Contrast checker → · Palette generator →

#18516A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva