#182F45#182F45

#182F45 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.050 H 248.8°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX#182F45
RGBrgb(24, 47, 69)
HSLhsl(209, 48%, 18%)
HSVhsv(209, 65%, 27%)
CMYKcmyk(65.2%, 31.9%, 0%, 72.9%)
CIE-LABlab(18.61, -1.15, -16.48)
CIE-LCHlch(18.61, 16.52, 266.00°)
OKLaboklab(29.76% -0.0179 -0.0463)
OKLCHoklch(29.76% 0.05 248.8)
XYZxyz(2.4670, 2.6567, 6.0119)
Luminance0.0266 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#182F45 #452E18
analogous
#184544 #182F45 #181845
triadic
#182F45 #45182F #2F4518
tetradic
#182F45 #441845 #452E18 #184518
square
#182F45 #441845 #452E18 #184518
split-complementary
#182F45 #451818 #454418
monochromatic
#080F17 #081018 #182F45 #284E72 #386DA0

Accessibility & contrast

On white

13.71
#182F45 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.53
#182F45 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F45
13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##182F45#FFFFFF#000000##FFFFFF
##182F451.0013.711.5313.71
#FFFFFF13.711.0021.001.00
#0000001.5321.001.0021.00
##FFFFFF13.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#263046
Deuteranopia (green-blind)
#202B45
Tritanopia (blue-blind)
#003437
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #182f45;
/* rgb */ color: rgb(24, 47, 69);
/* oklch */ color: oklch(29.8% 0.050 248.8);
Tailwind
colors: {
  custom: {
    50: '#596778',
    500: '#182f45',
    950: '#000000',
  },
}
SCSS
$custom: #182f45;
$custom-light: #596778;
$custom-dark: #000000;
JSON
{
  "hex": "#182f45",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 69
  },
  "hsl": {
    "h": 209.333,
    "s": 48.387,
    "l": 18.235
  },
  "oklch": {
    "l": 0.29763,
    "c": 0.0497,
    "h": 248.8
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary
#182F45
secondary
#7C5C3D
accent
#9250D8
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#040609
muted
#797A7B

Preview Lab

Preview with #182F45

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

Preview Lab → · Contrast checker → · Palette generator →

#182F45 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva