Color

#20175e

#20175e
hex#20175e
rgbrgb(32, 23, 94)
hslhsl(248, 61%, 23%)
oklchoklch(0.27 0.12 280.5)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0173

Colors that go with #20175e

Charcoal, Steel Blue and 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 →

#555e17

#17315e · #44175e

#5e2017 · #175e20

Split-complementary

Open in tool →

#5e4417 · #315e17

#5e1731 · #555e17 · #175e44

Contrast

#20175e as textRatioAAAA largeAAAFix
Aaon white
15.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #7363d9 as the text (4.52:1)
  • AAA: use #988ce3 as the text (7.2:1)
  • AA: or shift the background to #8a8a8a (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20175e 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

#20175e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20175e
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 #20175e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20175e-a69cc4-dfac4e-271f2d-e9ecf1?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