Color

#15488e

#15488e
hex#15488e
rgbrgb(21, 72, 142)
hslhsl(215, 74%, 32%)
oklchoklch(0.41 0.128 257.7)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0675

Colors that go with #15488e

Charcoal, Crimson and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e5c15

#15848e · #1f158e

#8e1548 · #488e15

Split-complementary

Open in tool →

#8e1f15 · #848e15

#8e1584 · #8e5c15 · #158e1f

Contrast

#15488e as textRatioAAAA largeAAAFix
Aaon white
8.94:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #2673df as the text (4.6:1)
  • AAA: use #5f98e7 as the text (7.13:1)
  • AA: or shift the background to #b8b8b8 (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15488e 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

#15488e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15488e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #15488e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15488e-9ca8c4-df5d4e-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