Color

#11397e

#11397e
hex#11397e
rgbrgb(17, 57, 126)
hslhsl(218, 76%, 28%)
oklchoklch(0.362 0.125 260.6)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0455

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e5611

#116f7e · #20117e

#7e1139 · #397e11

Split-complementary

Open in tool →

#7e2011 · #6f7e11

#7e116f · #7e5611 · #117e20

Contrast

#11397e as textRatioAAAA largeAAAFix
Aaon white
10.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #3172e3 as the text (4.65:1)
  • AAA: use #6697ea as the text (7.18:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11397e 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

#11397e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11397e
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 #11397e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11397e-9ca6c4-df644e-201f2d-e9f0f1?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