Color

#023155

#023155
hex#023155
rgbrgb(2, 49, 85)
hslhsl(206, 95%, 17%)
oklchoklch(0.306 0.08 248)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0287

Colors that go with #023155

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 →

#552602

#02554f · #020855

#550231 · #315502

Split-complementary

Open in tool →

#550208 · #554f02

#4f0255 · #552602 · #085502

Contrast

#023155 as textRatioAAAA largeAAAFix
Aaon white
13.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #0579d1 as the text (4.66:1)
  • AAA: use #1f9bf9 as the text (7.11:1)
  • AA: or shift the background to #969696 (4.51:1)
  • AAA: or shift the background to #bdbdbd (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 #023155 as the background.

Brands using this color

Fonts for this mood

#023155 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #023155
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 #023155 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/023155-9caec4-df4e56-1f212d-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