Color

#1c2e87

#1c2e87
hex#1c2e87
rgbrgb(28, 46, 135)
hslhsl(230, 66%, 32%)
oklchoklch(0.351 0.149 268.4)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0395

Colors that go with #1c2e87

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 →

#87761c

#1c6487 · #401c87

#871c2e · #2e871c

Split-complementary

Open in tool →

#87401c · #64871c

#871c64 · #87761c · #1c8740

Contrast

#1c2e87 as textRatioAAAA largeAAAFix
Aaon white
11.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #566cdc as the text (4.57:1)
  • AAA: use #8091e5 as the text (7.1:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (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 #1c2e87 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

#1c2e87 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c2e87
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 #1c2e87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c2e87-9c9ec4-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