Color

#1f328e

#1f328e
hex#1f328e
rgbrgb(31, 50, 142)
hslhsl(230, 64%, 34%)
oklchoklch(0.367 0.153 268.4)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0453

Colors that go with #1f328e

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 →

#8e7c1f

#1f698e · #441f8e

#8e1f32 · #328e1f

Split-complementary

Open in tool →

#8e441f · #698e1f

#8e1f69 · #8e7c1f · #1f8e44

Contrast

#1f328e as textRatioAAAA largeAAAFix
Aaon white
11.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #586dda as the text (4.61:1)
  • AAA: use #8292e3 as the text (7.17:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (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 #1f328e as the background.

Brands using this color

Fonts for this mood

#1f328e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f328e
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 #1f328e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f328e-9c9ec4-df814e-231f2d-e9eef1?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