#18598D#18598D

#18598D is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.106 H 247.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#18598D
RGBrgb(24, 89, 141)
HSLhsl(207, 71%, 32%)
HSVhsv(207, 83%, 55%)
CMYKcmyk(83%, 36.9%, 0%, 44.7%)
CIE-LABlab(36.48, -0.41, -34.42)
CIE-LCHlch(36.48, 34.42, 269.32°)
OKLaboklab(45.14% -0.0404 -0.098)
OKLCHoklch(45.14% 0.106 247.6)
XYZxyz(8.7549, 9.2610, 26.5203)
Luminance0.0926 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18598D #8D4C18
analogous
#188D87 #18598D #181E8D
triadic
#18598D #8D1859 #598D18
tetradic
#18598D #87188D #8D4C18 #1E8D18
square
#18598D #87188D #8D4C18 #1E8D18
split-complementary
#18598D #8D181E #8D8718
monochromatic
#061724 #0F3859 #18598D #217AC1 #4198DF

Accessibility & contrast

On white

7.36
#18598D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#18598D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18598D
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18598D#FFFFFF#000000##FFFFFF
##18598D1.007.362.857.36
#FFFFFF7.361.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405C8F
Deuteranopia (green-blind)
#2F518C
Tritanopia (blue-blind)
#00666C
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #18598d;
/* rgb */ color: rgb(24, 89, 141);
/* oklch */ color: oklch(45.1% 0.106 247.6);
Tailwind
colors: {
  custom: {
    50: '#6987ae',
    500: '#18598d',
    950: '#000000',
  },
}
SCSS
$custom: #18598d;
$custom-light: #6987ae;
$custom-dark: #000000;
JSON
{
  "hex": "#18598d",
  "rgb": {
    "r": 24,
    "g": 89,
    "b": 141
  },
  "hsl": {
    "h": 206.667,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.45136,
    "c": 0.10606,
    "h": 247.6
  },
  "luminance": 0.09262
}

Semantic roles & 50–950 ramp

primary
#18598D
secondary
#BF7942
accent
#8A3AEE
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #18598D

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

Preview Lab → · Contrast checker → · Palette generator →

#18598D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva