Color

#183290

#183290
hex#183290
rgbrgb(24, 50, 144)
hslhsl(227, 71%, 33%)
oklchoklch(0.366 0.158 266.2)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0449

Tints & shades

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

Harmonies

Complementary

Open in tool →

#907618

#186e90 · #3a1890

#901832 · #329018

Split-complementary

Open in tool →

#903a18 · #6e9018

#90186e · #907618 · #18903a

Contrast

#183290 as textRatioAAAA largeAAAFix
Aaon white
11.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #4c6ce1 as the text (4.54:1)
  • AAA: use #7c94e9 as the text (7.27:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183290 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

#183290 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183290
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 #183290 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183290-9ca0c4-df7a4e-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