Color

#170d82

#170d82
hex#170d82
rgbrgb(23, 13, 130)
hslhsl(245, 82%, 28%)
oklchoklch(0.295 0.177 271.2)
Closest name: Child of the Night (#220077)Relative luminance 0.0208

Colors that go with #170d82

Charcoal, Steel Blue and Cobalt 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 →

#78820d

#0d3e82 · #510d82

#82170d · #0d8217

Split-complementary

Open in tool →

#82510d · #3e820d

#820d3e · #78820d · #0d8251

Contrast

#170d82 as textRatioAAAA largeAAAFix
Aaon white
14.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #6d61ef as the text (4.61:1)
  • AAA: use #948bf4 as the text (7.26:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170d82 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

#170d82 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170d82
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 #170d82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170d82-a49cc4-dfa54e-261f2d-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