#18528D#18528D

#18528D is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.114 H 252.5°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX#18528D
RGBrgb(24, 82, 141)
HSLhsl(210, 71%, 32%)
HSVhsv(210, 83%, 55%)
CMYKcmyk(83%, 41.8%, 0%, 44.7%)
CIE-LABlab(34.30, 4.14, -37.89)
CIE-LCHlch(34.30, 38.12, 276.24°)
OKLaboklab(43.42% -0.0341 -0.1084)
OKLCHoklch(43.42% 0.114 252.5)
XYZxyz(8.1999, 8.1509, 26.3352)
Luminance0.0815 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18528D #8D5318
analogous
#188D8D #18528D #18188D
triadic
#18528D #8D1852 #528D18
tetradic
#18528D #8D188D #8D5318 #188D18
square
#18528D #8D188D #8D5318 #188D18
split-complementary
#18528D #8D1818 #8D8D18
monochromatic
#061524 #0F3459 #18528D #2170C1 #418FDF

Accessibility & contrast

On white

7.98
#18528D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#18528D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18528D
7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18528D#FFFFFF#000000##FFFFFF
##18528D1.007.982.637.98
#FFFFFF7.981.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#35568F
Deuteranopia (green-blind)
#214C8C
Tritanopia (blue-blind)
#006068
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #18528d;
/* rgb */ color: rgb(24, 82, 141);
/* oklch */ color: oklch(43.4% 0.114 252.5);
Tailwind
colors: {
  custom: {
    50: '#6982af',
    500: '#18528d',
    950: '#000000',
  },
}
SCSS
$custom: #18528d;
$custom-light: #6982af;
$custom-dark: #000000;
JSON
{
  "hex": "#18528d",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 141
  },
  "hsl": {
    "h": 210.256,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43423,
    "c": 0.11363,
    "h": 252.5
  },
  "luminance": 0.08152
}

Semantic roles & 50–950 ramp

primary
#18528D
secondary
#BF8142
accent
#953AEE
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #18528D

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

Preview Lab → · Contrast checker → · Palette generator →

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