Color

#02155a

#02155a
hex#02155a
rgbrgb(2, 21, 90)
hslhsl(227, 96%, 18%)
oklchoklch(0.244 0.125 264.2)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a4702

#02415a · #1b025a

#5a0215 · #155a02

Split-complementary

Open in tool →

#5a1b02 · #415a02

#5a0241 · #5a4702 · #025a1b

Contrast

#02155a as textRatioAAAA largeAAAFix
Aaon white
16.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #4169fb as the text (4.64:1)
  • AAA: use #7391fc as the text (7.18:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #02155a 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

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

mcpConnect your agent — build around #02155a
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 #02155a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02155a-9ca0c4-df7a4e-221f2d-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