#181669#181669

#181669 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.138 H 273.6°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX#181669
RGBrgb(24, 22, 105)
HSLhsl(241, 65%, 25%)
HSVhsv(241, 79%, 41%)
CMYKcmyk(77.1%, 79%, 0%, 58.8%)
CIE-LABlab(14.33, 30.93, -47.53)
CIE-LCHlch(14.33, 56.70, 303.05°)
OKLaboklab(27.47% 0.0086 -0.1375)
OKLCHoklch(27.47% 0.138 273.6)
XYZxyz(3.2125, 1.7876, 13.5376)
Luminance0.0179 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181669 #676916
analogous
#163D69 #181669 #421669
triadic
#181669 #691816 #166918
tetradic
#181669 #69163D #676916 #166942
square
#181669 #69163D #676916 #166942
split-complementary
#181669 #694216 #3D6916
monochromatic
#060519 #0C0B36 #181669 #24219C #2F2BCE

Accessibility & contrast

On white

15.47
#181669 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#181669 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181669
15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181669#FFFFFF#000000##FFFFFF
##1816691.0015.471.3615.47
#FFFFFF15.471.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00286B
Deuteranopia (green-blind)
#002068
Tritanopia (blue-blind)
#002E3E
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #181669;
/* rgb */ color: rgb(24, 22, 105);
/* oklch */ color: oklch(27.5% 0.138 273.6);
Tailwind
colors: {
  custom: {
    50: '#645495',
    500: '#181669',
    950: '#000000',
  },
}
SCSS
$custom: #181669;
$custom-light: #645495;
$custom-dark: #000000;
JSON
{
  "hex": "#181669",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 105
  },
  "hsl": {
    "h": 241.446,
    "s": 65.354,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27472,
    "c": 0.13777,
    "h": 273.6
  },
  "luminance": 0.01788
}

Semantic roles & 50–950 ramp

primary
#181669
secondary
#9D9F3B
accent
#E83FE4
background
#F6F4F9
surface
#EBE8F2
border
#C6C4CC
text
#06030D
muted
#7A787E

Preview Lab

Preview with #181669

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

Preview Lab → · Contrast checker → · Palette generator →

#181669 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva