#18528A#18528A

#18528A is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.110 H 251.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX#18528A
RGBrgb(24, 82, 138)
HSLhsl(209, 70%, 32%)
HSVhsv(209, 83%, 54%)
CMYKcmyk(82.6%, 40.6%, 0%, 45.9%)
CIE-LABlab(34.11, 2.93, -36.35)
CIE-LCHlch(34.11, 36.47, 274.61°)
OKLaboklab(43.22% -0.0349 -0.1039)
OKLCHoklch(43.22% 0.11 251.4)
XYZxyz(7.9797, 8.0628, 25.1755)
Luminance0.0806 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18528A #8A5018
analogous
#188A89 #18528A #18198A
triadic
#18528A #8A1852 #528A18
tetradic
#18528A #89188A #8A5018 #198A18
square
#18528A #89188A #8A5018 #198A18
split-complementary
#18528A #8A1819 #8A8918
monochromatic
#061422 #0F3356 #18528A #2171BE #3F90DE

Accessibility & contrast

On white

8.04
#18528A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#18528A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18528A
8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18528A#FFFFFF#000000##FFFFFF
##18528A1.008.042.618.04
#FFFFFF8.041.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#37568C
Deuteranopia (green-blind)
#244C89
Tritanopia (blue-blind)
#005F67
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #18528a;
/* rgb */ color: rgb(24, 82, 138);
/* oklch */ color: oklch(43.2% 0.110 251.4);
Tailwind
colors: {
  custom: {
    50: '#6982ac',
    500: '#18528a',
    950: '#000000',
  },
}
SCSS
$custom: #18528a;
$custom-light: #6982ac;
$custom-dark: #000000;
JSON
{
  "hex": "#18528a",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 138
  },
  "hsl": {
    "h": 209.474,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43222,
    "c": 0.10956,
    "h": 251.4
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary
#18528A
secondary
#BD7E40
accent
#923BED
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #18528A

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

Preview Lab → · Contrast checker → · Palette generator →

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