Color

#181ca0

#181ca0
hex#181ca0
rgbrgb(24, 28, 160)
hslhsl(238, 74%, 36%)
oklchoklch(0.349 0.201 268.7)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0356

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a09b18

#1860a0 · #5718a0

#a0181c · #1ca018

Split-complementary

Open in tool →

#a05718 · #60a018

#a01860 · #a09b18 · #18a057

Contrast

#181ca0 as textRatioAAAA largeAAAFix
Aaon white
12.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #6468e8 as the text (4.69:1)
  • AAA: use #8c8fee as the text (7.28:1)
  • AA: or shift the background to #9e9e9e (4.58:1)
  • AAA: or shift the background to #c4c4c4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181ca0 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

#181ca0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181ca0
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 #181ca0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181ca0-9f9cc4-df944e-251f2d-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