#182D45#182D45

#182D45 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.2% C 0.052 H 252.9°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX#182D45
RGBrgb(24, 45, 69)
HSLhsl(212, 48%, 18%)
HSVhsv(212, 65%, 27%)
CMYKcmyk(65.2%, 34.8%, 0%, 72.9%)
CIE-LABlab(17.92, 0.25, -17.56)
CIE-LCHlch(17.92, 17.57, 270.82°)
OKLaboklab(29.22% -0.0153 -0.0495)
OKLCHoklch(29.22% 0.052 252.9)
XYZxyz(2.3889, 2.5004, 5.9858)
Luminance0.0250 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#182D45 #453018
analogous
#184345 #182D45 #191845
triadic
#182D45 #45182D #2D4518
tetradic
#182D45 #451843 #453018 #184519
square
#182D45 #451843 #453018 #184519
split-complementary
#182D45 #451918 #434518
monochromatic
#080F17 #080F18 #182D45 #284B72 #3868A0

Accessibility & contrast

On white

14.00
#182D45 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.50
#182D45 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D45
14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##182D45#FFFFFF#000000##FFFFFF
##182D451.0014.001.5014.00
#FFFFFF14.001.0021.001.00
#0000001.5021.001.0021.00
##FFFFFF14.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#232E46
Deuteranopia (green-blind)
#1D2A45
Tritanopia (blue-blind)
#003236
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #182d45;
/* rgb */ color: rgb(24, 45, 69);
/* oklch */ color: oklch(29.2% 0.052 252.9);
Tailwind
colors: {
  custom: {
    50: '#596578',
    500: '#182d45',
    950: '#000000',
  },
}
SCSS
$custom: #182d45;
$custom-light: #596578;
$custom-dark: #000000;
JSON
{
  "hex": "#182d45",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 69
  },
  "hsl": {
    "h": 212,
    "s": 48.387,
    "l": 18.235
  },
  "oklch": {
    "l": 0.29219,
    "c": 0.05181,
    "h": 252.9
  },
  "luminance": 0.02501
}

Semantic roles & 50–950 ramp

primary
#182D45
secondary
#7C5E3D
accent
#9850D8
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#040509
muted
#797A7B

Preview Lab

Preview with #182D45

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

Preview Lab → · Contrast checker → · Palette generator →

#182D45 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva