#18548D#18548D

#18548D is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.111 H 251.2°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#18548D
RGBrgb(24, 84, 141)
HSLhsl(209, 71%, 32%)
HSVhsv(209, 83%, 55%)
CMYKcmyk(83%, 40.4%, 0%, 44.7%)
CIE-LABlab(34.92, 2.83, -36.90)
CIE-LCHlch(34.92, 37.01, 274.38°)
OKLaboklab(43.91% -0.0359 -0.1054)
OKLCHoklch(43.91% 0.111 251.2)
XYZxyz(8.3529, 8.4569, 26.3862)
Luminance0.0846 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18548D #8D5118
analogous
#188D8C #18548D #18198D
triadic
#18548D #8D1854 #548D18
tetradic
#18548D #8C188D #8D5118 #198D18
square
#18548D #8C188D #8D5118 #198D18
split-complementary
#18548D #8D1819 #8D8C18
monochromatic
#061624 #0F3559 #18548D #2173C1 #4192DF

Accessibility & contrast

On white

7.80
#18548D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#18548D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18548D
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18548D#FFFFFF#000000##FFFFFF
##18548D1.007.802.697.80
#FFFFFF7.801.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38588F
Deuteranopia (green-blind)
#254D8C
Tritanopia (blue-blind)
#006269
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #18548d;
/* rgb */ color: rgb(24, 84, 141);
/* oklch */ color: oklch(43.9% 0.111 251.2);
Tailwind
colors: {
  custom: {
    50: '#6983af',
    500: '#18548d',
    950: '#000000',
  },
}
SCSS
$custom: #18548d;
$custom-light: #6983af;
$custom-dark: #000000;
JSON
{
  "hex": "#18548d",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 141
  },
  "hsl": {
    "h": 209.231,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43909,
    "c": 0.11138,
    "h": 251.2
  },
  "luminance": 0.08458
}

Semantic roles & 50–950 ramp

primary
#18548D
secondary
#BF7F42
accent
#923AEE
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #18548D

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

Preview Lab → · Contrast checker → · Palette generator →

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