Color

#04265d

#04265d
hex#04265d
rgbrgb(4, 38, 93)
hslhsl(217, 92%, 19%)
oklchoklch(0.285 0.106 259.9)
Closest name: Black Sea Night (#052462)Relative luminance 0.022

Colors that go with #04265d

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 →

#5d3b04

#04535d · #0e045d

#5d0426 · #265d04

Split-complementary

Open in tool →

#5d0e04 · #535d04

#5d0453 · #5d3b04 · #045d0e

Contrast

#04265d as textRatioAAAA largeAAAFix
Aaon white
14.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #196df5 as the text (4.55:1)
  • AAA: use #5996f8 as the text (7.14:1)
  • AA: or shift the background to #8f8f8f (4.51:1)
  • AAA: or shift the background to #b5b5b5 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04265d as the background.

Brands using this color

Fonts for this mood

#04265d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04265d
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 #04265d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04265d-9ca7c4-df624e-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