#18436C#18436C

#18436C is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.5% C 0.085 H 250.3°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX#18436C
RGBrgb(24, 67, 108)
HSLhsl(209, 64%, 26%)
HSVhsv(209, 78%, 42%)
CMYKcmyk(77.8%, 38%, 0%, 57.6%)
CIE-LABlab(27.55, 0.76, -28.07)
CIE-LCHlch(27.55, 28.08, 271.54°)
OKLaboklab(37.5% -0.0286 -0.0798)
OKLCHoklch(37.5% 0.085 250.3)
XYZxyz(5.0896, 5.2906, 14.9374)
Luminance0.0529 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18436C #6C4118
analogous
#186C6B #18436C #18196C
triadic
#18436C #6C1843 #436C18
tetradic
#18436C #6B186C #6C4118 #196C18
square
#18436C #6B186C #6C4118 #196C18
split-complementary
#18436C #6C1819 #6C6B18
monochromatic
#061019 #0D243A #18436C #23629E #2E81D0

Accessibility & contrast

On white

10.20
#18436C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#18436C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18436C
10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18436C#FFFFFF#000000##FFFFFF
##18436C1.0010.202.0610.20
#FFFFFF10.201.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#30456E
Deuteranopia (green-blind)
#243D6B
Tritanopia (blue-blind)
#004D52
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #18436c;
/* rgb */ color: rgb(24, 67, 108);
/* oklch */ color: oklch(37.5% 0.085 250.3);
Tailwind
colors: {
  custom: {
    50: '#627696',
    500: '#18436c',
    950: '#000000',
  },
}
SCSS
$custom: #18436c;
$custom-light: #627696;
$custom-dark: #000000;
JSON
{
  "hex": "#18436c",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 108
  },
  "hsl": {
    "h": 209.286,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.37503,
    "c": 0.08482,
    "h": 250.3
  },
  "luminance": 0.05291
}

Semantic roles & 50–950 ramp

primary
#18436C
secondary
#A26F3E
accent
#9241E7
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #18436C

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

Preview Lab → · Contrast checker → · Palette generator →

#18436C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva