#18548B#18548B

#18548B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.109 H 250.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX#18548B
RGBrgb(24, 84, 139)
HSLhsl(209, 71%, 32%)
HSVhsv(209, 83%, 55%)
CMYKcmyk(82.7%, 39.6%, 0%, 45.5%)
CIE-LABlab(34.80, 2.02, -35.87)
CIE-LCHlch(34.80, 35.93, 273.23°)
OKLaboklab(43.78% -0.0364 -0.1024)
OKLCHoklch(43.78% 0.109 250.4)
XYZxyz(8.2054, 8.3979, 25.6096)
Luminance0.0840 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18548B #8B4F18
analogous
#188B89 #18548B #181A8B
triadic
#18548B #8B1854 #548B18
tetradic
#18548B #89188B #8B4F18 #1A8B18
square
#18548B #89188B #8B4F18 #1A8B18
split-complementary
#18548B #8B181A #8B8918
monochromatic
#061523 #0F3457 #18548B #2174BF #3F92DE

Accessibility & contrast

On white

7.84
#18548B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#18548B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18548B
7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18548B#FFFFFF#000000##FFFFFF
##18548B1.007.842.687.84
#FFFFFF7.841.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A578D
Deuteranopia (green-blind)
#284D8A
Tritanopia (blue-blind)
#006168
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #18548b;
/* rgb */ color: rgb(24, 84, 139);
/* oklch */ color: oklch(43.8% 0.109 250.4);
Tailwind
colors: {
  custom: {
    50: '#6983ad',
    500: '#18548b',
    950: '#000000',
  },
}
SCSS
$custom: #18548b;
$custom-light: #6983ad;
$custom-dark: #000000;
JSON
{
  "hex": "#18548b",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 139
  },
  "hsl": {
    "h": 208.696,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43778,
    "c": 0.1087,
    "h": 250.4
  },
  "luminance": 0.08399
}

Semantic roles & 50–950 ramp

primary
#18548B
secondary
#BE7D40
accent
#903AED
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #18548B

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

Preview Lab → · Contrast checker → · Palette generator →

#18548B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva