Color

#0f4cf5

#0f4cf5
hex#0f4cf5
rgbrgb(15, 76, 245)
hslhsl(224, 92%, 51%)
oklchoklch(0.51 0.256 263.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.1186

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5b80f

#0fbff5 · #450ff5

#f50f4c · #4cf50f

Split-complementary

Open in tool →

#f5450f · #bff50f

#f50fbf · #f5b80f · #0ff545

Contrast

#0f4cf5 as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #0a44e6 as the text (7.04:1)
Aaon black
3.37:1failpassfail
  • AA: use #366af7 as the text (4.56:1)
  • AAA: use #6c92f9 as the text (7.12:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f4cf5 as the background.

Brands using this color

Fonts for this mood

#0f4cf5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f4cf5
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 #0f4cf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f4cf5-9ca2c4-df724e-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