#18516E#18516E

#18516E is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.075 H 235.3°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX#18516E
RGBrgb(24, 81, 110)
HSLhsl(200, 64%, 26%)
HSVhsv(200, 78%, 43%)
CMYKcmyk(78.2%, 26.4%, 0%, 56.9%)
CIE-LABlab(32.27, -7.51, -21.92)
CIE-LCHlch(32.27, 23.17, 251.09°)
OKLaboklab(41.27% -0.0428 -0.0618)
OKLCHoklch(41.27% 0.075 235.3)
XYZxyz(6.1325, 7.2041, 15.8162)
Luminance0.0721 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18516E #6E3518
analogous
#186E60 #18516E #18266E
triadic
#18516E #6E1851 #516E18
tetradic
#18516E #60186E #6E3518 #266E18
square
#18516E #60186E #6E3518 #266E18
split-complementary
#18516E #6E1826 #6E6018
monochromatic
#051219 #0D2C3C #18516E #2376A0 #2F9BD2

Accessibility & contrast

On white

8.60
#18516E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#18516E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18516E
8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18516E#FFFFFF#000000##FFFFFF
##18516E1.008.602.448.60
#FFFFFF8.601.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43506F
Deuteranopia (green-blind)
#37486E
Tritanopia (blue-blind)
#00595B
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #18516e;
/* rgb */ color: rgb(24, 81, 110);
/* oklch */ color: oklch(41.3% 0.075 235.3);
Tailwind
colors: {
  custom: {
    50: '#638197',
    500: '#18516e',
    950: '#000000',
  },
}
SCSS
$custom: #18516e;
$custom-light: #638197;
$custom-dark: #000000;
JSON
{
  "hex": "#18516e",
  "rgb": {
    "r": 24,
    "g": 81,
    "b": 110
  },
  "hsl": {
    "h": 200.233,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.41268,
    "c": 0.07512,
    "h": 235.3
  },
  "luminance": 0.07205
}

Semantic roles & 50–950 ramp

primary
#18516E
secondary
#A4603E
accent
#7941E7
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #18516E

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

Preview Lab → · Contrast checker → · Palette generator →

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