#18528E#18528E

#18528E is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.115 H 252.9°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#18528E
RGBrgb(24, 82, 142)
HSLhsl(211, 71%, 33%)
HSVhsv(211, 83%, 56%)
CMYKcmyk(83.1%, 42.3%, 0%, 44.3%)
CIE-LABlab(34.36, 4.55, -38.41)
CIE-LCHlch(34.36, 38.68, 276.75°)
OKLaboklab(43.49% -0.0339 -0.1099)
OKLCHoklch(43.49% 0.115 252.9)
XYZxyz(8.2746, 8.1808, 26.7289)
Luminance0.0818 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18528E #8E5418
analogous
#188D8E #18528E #19188E
triadic
#18528E #8E1852 #528E18
tetradic
#18528E #8E188D #8E5418 #188E19
square
#18528E #8E188D #8E5418 #188E19
split-complementary
#18528E #8E1918 #8D8E18
monochromatic
#061625 #0F345A #18528E #2170C2 #418FDF

Accessibility & contrast

On white

7.97
#18528E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#18528E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18528E
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18528E#FFFFFF#000000##FFFFFF
##18528E1.007.972.647.97
#FFFFFF7.971.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#345790
Deuteranopia (green-blind)
#204C8D
Tritanopia (blue-blind)
#006069
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #18528e;
/* rgb */ color: rgb(24, 82, 142);
/* oklch */ color: oklch(43.5% 0.115 252.9);
Tailwind
colors: {
  custom: {
    50: '#6a82af',
    500: '#18528e',
    950: '#000000',
  },
}
SCSS
$custom: #18528e;
$custom-light: #6a82af;
$custom-dark: #000000;
JSON
{
  "hex": "#18528e",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 142
  },
  "hsl": {
    "h": 210.508,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43491,
    "c": 0.115,
    "h": 252.9
  },
  "luminance": 0.08182
}

Semantic roles & 50–950 ramp

primary
#18528E
secondary
#C08242
accent
#953AEE
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #18528E

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

Preview Lab → · Contrast checker → · Palette generator →

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