#18528C#18528C

#18528C is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.4% C 0.112 H 252.2°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#18528C
RGBrgb(24, 82, 140)
HSLhsl(210, 71%, 32%)
HSVhsv(210, 83%, 55%)
CMYKcmyk(82.9%, 41.4%, 0%, 45.1%)
CIE-LABlab(34.23, 3.74, -37.38)
CIE-LCHlch(34.23, 37.57, 275.71°)
OKLaboklab(43.36% -0.0344 -0.1069)
OKLCHoklch(43.36% 0.112 252.2)
XYZxyz(8.1258, 8.1212, 25.9451)
Luminance0.0812 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18528C #8C5218
analogous
#188C8C #18528C #18188C
triadic
#18528C #8C1852 #528C18
tetradic
#18528C #8C188C #8C5218 #188C18
square
#18528C #8C188C #8C5218 #188C18
split-complementary
#18528C #8C1818 #8C8C18
monochromatic
#061524 #0F3358 #18528C #2171C0 #408FDE

Accessibility & contrast

On white

8.00
#18528C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#18528C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18528C
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18528C#FFFFFF#000000##FFFFFF
##18528C1.008.002.628.00
#FFFFFF8.001.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#36568E
Deuteranopia (green-blind)
#224C8B
Tritanopia (blue-blind)
#006068
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #18528c;
/* rgb */ color: rgb(24, 82, 140);
/* oklch */ color: oklch(43.4% 0.112 252.2);
Tailwind
colors: {
  custom: {
    50: '#6982ae',
    500: '#18528c',
    950: '#000000',
  },
}
SCSS
$custom: #18528c;
$custom-light: #6982ae;
$custom-dark: #000000;
JSON
{
  "hex": "#18528c",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 140
  },
  "hsl": {
    "h": 210,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43356,
    "c": 0.11228,
    "h": 252.2
  },
  "luminance": 0.08122
}

Semantic roles & 50–950 ramp

primary
#18528C
secondary
#BF8041
accent
#943AED
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #18528C

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

Preview Lab → · Contrast checker → · Palette generator →

#18528C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva