Color

#10427f

#10427f
hex#10427f
rgbrgb(16, 66, 127)
hslhsl(213, 78%, 28%)
oklchoklch(0.384 0.115 256.1)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0554

Colors that go with #10427f

Crimson, 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 →

#7f4d10

#107a7f · #15107f

#7f1042 · #427f10

Split-complementary

Open in tool →

#7f1510 · #7a7f10

#7f107a · #7f4d10 · #107f15

Contrast

#10427f as textRatioAAAA largeAAAFix
Aaon white
9.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #1b73de as the text (4.55:1)
  • AAA: use #5799ea as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10427f 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

#10427f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10427f
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 #10427f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10427f-9ca9c4-df584e-1f202d-e9f0f1?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