Color

#356efd

#356efd
hex#356efd
rgbrgb(53, 110, 253)
hslhsl(223, 98%, 60%)
oklchoklch(0.586 0.222 264.2)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.19

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdc435

#35d2fd · #6035fd

#fd356e · #6efd35

Split-complementary

Open in tool →

#fd6035 · #d2fd35

#fd35d2 · #fdc435 · #35fd60

Contrast

#356efd as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #306afd as the text (4.56:1)
  • AAA: use #0243e8 as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #6892fd as the text (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 #356efd 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

#356efd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #356efd
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 #356efd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/356efd-9ca3c4-df704e-211f2d-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