#182D47#182D47

#182D47 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.3% C 0.055 H 254.6°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX#182D47
RGBrgb(24, 45, 71)
HSLhsl(213, 49%, 19%)
HSVhsv(213, 66%, 28%)
CMYKcmyk(66.2%, 36.6%, 0%, 72.2%)
CIE-LABlab(18.03, 1.04, -18.75)
CIE-LCHlch(18.03, 18.78, 273.17°)
OKLaboklab(29.35% -0.0146 -0.053)
OKLCHoklch(29.35% 0.055 254.6)
XYZxyz(2.4520, 2.5257, 6.3183)
Luminance0.0253 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#182D47 #473218
analogous
#184447 #182D47 #1A1847
triadic
#182D47 #47182D #2D4718
tetradic
#182D47 #471844 #473218 #18471A
square
#182D47 #471844 #473218 #18471A
split-complementary
#182D47 #471A18 #444718
monochromatic
#080E17 #091019 #182D47 #274A75 #3767A2

Accessibility & contrast

On white

13.95
#182D47 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.51
#182D47 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D47
13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##182D47#FFFFFF#000000##FFFFFF
##182D471.0013.951.5113.95
#FFFFFF13.951.0021.001.00
#0000001.5121.001.0021.00
##FFFFFF13.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#222F48
Deuteranopia (green-blind)
#1C2A46
Tritanopia (blue-blind)
#003336
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #182d47;
/* rgb */ color: rgb(24, 45, 71);
/* oklch */ color: oklch(29.3% 0.055 254.6);
Tailwind
colors: {
  custom: {
    50: '#5a657a',
    500: '#182d47',
    950: '#000000',
  },
}
SCSS
$custom: #182d47;
$custom-light: #5a657a;
$custom-dark: #000000;
JSON
{
  "hex": "#182d47",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 71
  },
  "hsl": {
    "h": 213.191,
    "s": 49.474,
    "l": 18.627
  },
  "oklch": {
    "l": 0.29346,
    "c": 0.05493,
    "h": 254.6
  },
  "luminance": 0.02526
}

Semantic roles & 50–950 ramp

primary
#182D47
secondary
#7E613D
accent
#9B4FD9
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#040509
muted
#797A7B

Preview Lab

Preview with #182D47

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

Preview Lab → · Contrast checker → · Palette generator →

#182D47 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva