Color

#02297e

#02297e
hex#02297e
rgbrgb(2, 41, 126)
hslhsl(221, 97%, 25%)
oklchoklch(0.324 0.149 262.4)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0311

Colors that go with #02297e

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 →

#7e5602

#02677e · #19027e

#7e0229 · #297e02

Split-complementary

Open in tool →

#7e1902 · #677e02

#7e0267 · #7e5602 · #027e19

Contrast

#02297e as textRatioAAAA largeAAAFix
Aaon white
12.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #276afc as the text (4.55:1)
  • AAA: use #6394fd as the text (7.18:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #02297e as the background.

Brands using this color

Fonts for this mood

#02297e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02297e
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 #02297e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02297e-9ca4c4-df6b4e-211f2d-e9eff1?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