Color

#674fde

#674fde
hex#674fde
rgbrgb(103, 79, 222)
hslhsl(250, 68%, 59%)
oklchoklch(0.536 0.207 284.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1375

Colors that go with #674fde

Charcoal, Denim and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c6de4f

#4f7fde · #ae4fde

#de674f · #4fde67

Split-complementary

Open in tool →

#deae4f · #7fde4f

#de4f7f · #c6de4f · #4fdeae

Contrast

#674fde as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #553ad9 as the text (7.02:1)
Aaon black
3.75:1failpassfail
  • AA: use #7660e1 as the text (4.53:1)
  • AAA: use #9b8be9 as the text (7.26:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #674fde 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

#674fde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #674fde
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #674fde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/674fde-a79cc4-dfb14e-281f2d-e9ecf1?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