Color

#02155e

#02155e
hex#02155e
rgbrgb(2, 21, 94)
hslhsl(228, 96%, 19%)
oklchoklch(0.249 0.13 264.3)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0136

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5f4c02

#02435f · #1e025f

#5f0215 · #155f02

Split-complementary

Open in tool →

#5f1e02 · #435f02

#5f0243 · #5f4c02 · #025f1e

Contrast

#02155e as textRatioAAAA largeAAAFix
Aaon white
16.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #4166fb as the text (4.52:1)
  • AAA: use #738efc as the text (7:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (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 #02155e 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

#02155e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02155e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #02155e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02155e-9c9fc4-df7c4e-231f2d-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