Color

#1f38f4

#1f38f4
hex#1f38f4
rgbrgb(31, 56, 244)
hslhsl(233, 91%, 54%)
oklchoklch(0.484 0.271 266.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.0965

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4dc1f

#1fa3f4 · #711ff4

#f41f38 · #38f41f

Split-complementary

Open in tool →

#f4711f · #a3f41f

#f41fa3 · #f4dc1f · #1ff471

Contrast

#1f38f4 as textRatioAAAA largeAAAFix
Aaon white
7.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #5567f7 as the text (4.67:1)
  • AAA: use #808ef9 as the text (7.15:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f38f4 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

#1f38f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f38f4
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 #1f38f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f38f4-9c9cc4-df884e-241f2d-e9eef1?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