Color

#001866

#001866
hex#001866
rgbrgb(0, 24, 102)
hslhsl(226, 100%, 20%)
oklchoklch(0.263 0.138 263.4)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0161

Tints & shades

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

Harmonies

Complementary

Open in tool →

#664e00

#004b66 · #1b0066

#660018 · #186600

Split-complementary

Open in tool →

#661b00 · #4b6600

#66004b · #664e00 · #00661b

Contrast

#001866 as textRatioAAAA largeAAAFix
Aaon white
15.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #3867ff as the text (4.55:1)
  • AAA: use #7092ff as the text (7.24:1)
  • AA: or shift the background to #8a8a8a (4.6:1)
  • AAA: or shift the background to #adadad (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001866 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

#001866 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001866
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 #001866 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001866-9ca1c4-df774e-221f2d-e9eff1?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