Color

#317cd8

#317cd8
hex#317cd8
rgbrgb(49, 124, 216)
hslhsl(213, 68%, 52%)
oklchoklch(0.587 0.159 255.5)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2003

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d88d31

#31d0d8 · #3a31d8

#d8317c · #7cd831

Split-complementary

Open in tool →

#d83a31 · #d0d831

#d831d0 · #d88d31 · #31d83a

Contrast

#317cd8 as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #2874d2 as the text (4.65:1)
  • AAA: use #1e589f as the text (7.11:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #5c98e0 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317cd8 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

#317cd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #317cd8
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 #317cd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317cd8-9ca9c4-df584e-1f202d-e9f0f1?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