Color

#181778

#181778
hex#181778
rgbrgb(24, 23, 120)
hslhsl(241, 68%, 28%)
oklchoklch(0.294 0.156 271.8)
Closest name: midnightblue (#191970)Relative luminance 0.0216

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#767817

#174678 · #491778

#781817 · #177818

Split-complementary

Open in tool →

#784917 · #467817

#781746 · #767817 · #177849

Contrast

#181778 as textRatioAAAA largeAAAFix
Aaon white
14.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #6765e2 as the text (4.54:1)
  • AAA: use #8d8be9 as the text (7:1)
  • AA: or shift the background to #8f8f8f (4.53:1)
  • AAA: or shift the background to #b5b5b5 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181778 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#181778 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181778
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #181778 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181778-a19cc4-df9b4e-261f2d-e9edf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md