Color

#042872

#042872
hex#042872
rgbrgb(4, 40, 114)
hslhsl(220, 93%, 23%)
oklchoklch(0.31 0.134 262.1)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0276

Colors that go with #042872

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 →

#714d04

#045f71 · #160471

#710428 · #287104

Split-complementary

Open in tool →

#711604 · #5f7104

#71045f · #714d04 · #047116

Contrast

#042872 as textRatioAAAA largeAAAFix
Aaon white
13.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #266cf7 as the text (4.57:1)
  • AAA: use #6294f9 as the text (7.12:1)
  • AA: or shift the background to #969696 (4.58:1)
  • AAA: or shift the background to #bdbdbd (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042872 as the background.

Brands using this color

Fonts for this mood

#042872 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042872
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 #042872 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042872-9ca5c4-df694e-211f2d-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