Color

#004e8f

#004e8f
hex#004e8f
rgbrgb(0, 78, 143)
hslhsl(207, 100%, 28%)
oklchoklch(0.422 0.126 251.9)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0743

Colors that go with #004e8f

Charcoal, Crimson and Sienna 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 →

#8f4000

#008f88 · #00078f

#8f004f · #4f8f00

Split-complementary

Open in tool →

#8f0007 · #8f8800

#88008f · #8f4000 · #078f00

Contrast

#004e8f as textRatioAAAA largeAAAFix
Aaon white
8.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #0076d6 as the text (4.56:1)
  • AAA: use #1f9aff as the text (7.12:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (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 #004e8f as the background.

Brands using this color

Fonts for this mood

#004e8f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004e8f
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 #004e8f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004e8f-9cadc4-df4e53-1f212d-e9f1f1?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