Color

#04367b

#04367b
hex#04367b
rgbrgb(4, 54, 123)
hslhsl(215, 94%, 25%)
oklchoklch(0.349 0.128 258.7)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0409

Colors that go with #04367b

Charcoal, Crimson and Steel 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 →

#7c4a04

#04727c · #0e047c

#7c0436 · #367c04

Split-complementary

Open in tool →

#7c0e04 · #727c04

#7c0472 · #7c4a04 · #047c0e

Contrast

#04367b as textRatioAAAA largeAAAFix
Aaon white
11.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #0d6ef8 as the text (4.6:1)
  • AAA: use #5298fa as the text (7.23:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (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 #04367b 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

#04367b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04367b
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 #04367b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04367b-9ca8c4-df5d4e-201f2d-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