Color

#0817bf

#0817bf
hex#0817bf
rgbrgb(8, 23, 191)
hslhsl(235, 92%, 39%)
oklchoklch(0.379 0.242 265.1)
Closest name: mediumblue (#0000cd)Relative luminance 0.0443

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfb008

#0873bf · #5408bf

#bf0817 · #17bf08

Split-complementary

Open in tool →

#bf5408 · #73bf08

#bf0873 · #bfb008 · #08bf54

Contrast

#0817bf as textRatioAAAA largeAAAFix
Aaon white
11.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #5966f8 as the text (4.68:1)
  • AAA: use #858efa as the text (7.25:1)
  • AA: or shift the background to #a6a6a6 (4.58:1)
  • AAA: or shift the background to #cfcfcf (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0817bf 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

#0817bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0817bf
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 #0817bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0817bf-9e9cc4-df8d4e-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