Color

#04385d

#04385d
hex#04385d
rgbrgb(4, 56, 93)
hslhsl(205, 92%, 19%)
oklchoklch(0.331 0.082 246.5)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0364

Colors that go with #04385d

Crimson, Royal Blue and Teal 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 →

#5d2904

#045d56 · #040b5d

#5d0438 · #385d04

Split-complementary

Open in tool →

#5d040b · #5d5604

#56045d · #5d2904 · #0b5d04

Contrast

#04385d as textRatioAAAA largeAAAFix
Aaon white
12.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #0879c9 as the text (4.59:1)
  • AAA: use #1e9cf6 as the text (7.14:1)
  • AA: or shift the background to #9e9e9e (4.53:1)
  • AAA: or shift the background to #c7c7c7 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04385d 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

#04385d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04385d
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 #04385d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04385d-9cafc4-df4e58-1f212d-e9f1f0?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