Color

#061851

#061851
hex#061851
rgbrgb(6, 24, 81)
hslhsl(226, 86%, 17%)
oklchoklch(0.241 0.107 265)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0129

Colors that go with #061851

Charcoal, Sea Green and Slate 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 →

#513f06

#063d51 · #1a0651

#510617 · #175106

Split-complementary

Open in tool →

#511a06 · #3d5106

#51063d · #513f06 · #06511a

Contrast

#061851 as textRatioAAAA largeAAAFix
Aaon white
16.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #416af1 as the text (4.56:1)
  • AAA: use #7593f5 as the text (7.25:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #061851 as the background.

Brands using this color

Fonts for this mood

#061851 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #061851
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 #061851 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/061851-9ca1c4-df774e-221f2d-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