Color

#051d7a

#051d7a
hex#051d7a
rgbrgb(5, 29, 122)
hslhsl(228, 92%, 25%)
oklchoklch(0.298 0.157 264.8)
Closest name: midnightblue (#191970)Relative luminance 0.0232

Colors that go with #051d7a

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 →

#7a6305

#05577a · #28057a

#7a051d · #1d7a05

Split-complementary

Open in tool →

#7a2805 · #577a05

#7a0557 · #7a6305 · #057a28

Contrast

#051d7a as textRatioAAAA largeAAAFix
Aaon white
14.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #4569f7 as the text (4.62:1)
  • AAA: use #7690f9 as the text (7.13:1)
  • AA: or shift the background to #919191 (4.55:1)
  • AAA: or shift the background to #b8b8b8 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #051d7a as the background.

Brands using this color

Fonts for this mood

#051d7a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #051d7a
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 #051d7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/051d7a-9c9fc4-df7c4e-231f2d-e9eff1?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