Color

#17384a

#17384a
hex#17384a
rgbrgb(23, 56, 74)
hslhsl(201, 53%, 19%)
oklchoklch(0.325 0.05 235.1)
Closest name: Into the Night (#1e3642)Relative luminance 0.035

Colors that go with #17384a

Royal Blue, Sienna and Teal 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 →

#4a2917

#174a42 · #171e4a

#4a1738 · #384a17

Split-complementary

Open in tool →

#4a171e · #4a4217

#42174a · #4a2917 · #1e4a17

Contrast

#17384a as textRatioAAAA largeAAAFix
Aaon white
12.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #327ca4 as the text (4.55:1)
  • AAA: use #4f9ec9 as the text (7.07:1)
  • AA: or shift the background to #9e9e9e (4.61:1)
  • AAA: or shift the background to #c4c4c4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17384a as the background.

Brands using this color

Fonts for this mood

#17384a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17384a
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 #17384a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17384a-9cb1c4-df4e62-1f222d-e9f1f0?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