#18547F#18547F

#18547F is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.093 H 244.6°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX#18547F
RGBrgb(24, 84, 127)
HSLhsl(205, 68%, 30%)
HSVhsv(205, 81%, 50%)
CMYKcmyk(81.1%, 33.9%, 0%, 50.2%)
CIE-LABlab(34.12, -2.76, -29.58)
CIE-LCHlch(34.12, 29.71, 264.66°)
OKLaboklab(43.02% -0.0399 -0.084)
OKLCHoklch(43.02% 0.093 244.6)
XYZxyz(7.3763, 8.0663, 21.2427)
Luminance0.0807 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18547F #7F4318
analogous
#187F77 #18547F #18207F
triadic
#18547F #7F1854 #547F18
tetradic
#18547F #77187F #7F4318 #207F18
square
#18547F #77187F #7F4318 #207F18
split-complementary
#18547F #7F1820 #7F7718
monochromatic
#05111A #0E324C #18547F #2276B2 #3896D9

Accessibility & contrast

On white

8.04
#18547F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#18547F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18547F
8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18547F#FFFFFF#000000##FFFFFF
##18547F1.008.042.618.04
#FFFFFF8.041.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405581
Deuteranopia (green-blind)
#314C7E
Tritanopia (blue-blind)
#005E63
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #18547f;
/* rgb */ color: rgb(24, 84, 127);
/* oklch */ color: oklch(43.0% 0.093 244.6);
Tailwind
colors: {
  custom: {
    50: '#6683a4',
    500: '#18547f',
    950: '#000000',
  },
}
SCSS
$custom: #18547f;
$custom-light: #6683a4;
$custom-dark: #000000;
JSON
{
  "hex": "#18547f",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 127
  },
  "hsl": {
    "h": 205.049,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.43024,
    "c": 0.09301,
    "h": 244.6
  },
  "luminance": 0.08067
}

Semantic roles & 50–950 ramp

primary
#18547F
secondary
#B3703F
accent
#863DEB
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #18547F

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

Preview Lab → · Contrast checker → · Palette generator →

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