Color

#5195fb

#5195fb
hex#5195fb
rgbrgb(81, 149, 251)
hslhsl(216, 96%, 65%)
oklchoklch(0.674 0.167 258.4)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3021

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbb750

#50eafb · #6150fb

#fb5095 · #95fb50

Split-complementary

Open in tool →

#fb6150 · #eafb50

#fb50ea · #fbb750 · #50fb61

Contrast

#5195fb as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #0f6dfa as the text (4.58:1)
  • AAA: use #0450c3 as the text (7.14:1)
  • AA: or shift the background to #2e2e2e (4.55:1)
  • AAA: or shift the background to #000000 (7.04:1)
Aaon black
7.04:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5195fb 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

#5195fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5195fb
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 #5195fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5195fb-9ca7c4-df5f4e-201f2d-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