Color

#0f03e2

#0f03e2
hex#0f03e2
rgbrgb(15, 3, 226)
hslhsl(243, 97%, 45%)
oklchoklch(0.416 0.283 265.4)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0566

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d7e203

#0368e2 · #7e03e2

#e20f03 · #03e20f

Split-complementary

Open in tool →

#e27e03 · #68e203

#e20368 · #d7e203 · #03e27e

Contrast

#0f03e2 as textRatioAAAA largeAAAFix
Aaon white
9.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #665efd as the text (4.58:1)
  • AAA: use #918bfd as the text (7.32:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f03e2 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

#0f03e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f03e2
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 #0f03e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f03e2-a39cc4-dfa04e-261f2d-e9edf1?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