#18547A#18547A

#18547A is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.7% C 0.087 H 241.4°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#18547A
RGBrgb(24, 84, 122)
HSLhsl(203, 67%, 29%)
HSVhsv(203, 80%, 48%)
CMYKcmyk(80.3%, 31.1%, 0%, 52.2%)
CIE-LABlab(33.86, -4.73, -26.91)
CIE-LCHlch(33.86, 27.32, 260.03°)
OKLaboklab(42.73% -0.0416 -0.0762)
OKLCHoklch(42.73% 0.087 241.4)
XYZxyz(7.0585, 7.9391, 19.5690)
Luminance0.0794 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18547A #7A3E18
analogous
#187A6F #18547A #18237A
triadic
#18547A #7A1854 #547A18
tetradic
#18547A #6F187A #7A3E18 #237A18
square
#18547A #6F187A #7A3E18 #237A18
split-complementary
#18547A #7A1823 #7A6F18
monochromatic
#05121A #0E3147 #18547A #2277AD #3598D7

Accessibility & contrast

On white

8.11
#18547A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#18547A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18547A
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18547A#FFFFFF#000000##FFFFFF
##18547A1.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#42557C
Deuteranopia (green-blind)
#354C79
Tritanopia (blue-blind)
#005D61
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #18547a;
/* rgb */ color: rgb(24, 84, 122);
/* oklch */ color: oklch(42.7% 0.087 241.4);
Tailwind
colors: {
  custom: {
    50: '#6583a0',
    500: '#18547a',
    950: '#000000',
  },
}
SCSS
$custom: #18547a;
$custom-light: #6583a0;
$custom-dark: #000000;
JSON
{
  "hex": "#18547a",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 122
  },
  "hsl": {
    "h": 203.265,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.42728,
    "c": 0.08682,
    "h": 241.4
  },
  "luminance": 0.0794
}

Semantic roles & 50–950 ramp

primary
#18547A
secondary
#AF6A3F
accent
#813EEA
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0F
muted
#7A7C7E

Preview Lab

Preview with #18547A

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

Preview Lab → · Contrast checker → · Palette generator →

#18547A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva