Color

#0837ba

#0837ba
hex#0837ba
rgbrgb(8, 55, 186)
hslhsl(224, 92%, 38%)
oklchoklch(0.414 0.209 263.9)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0633

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba8b08

#0890ba · #3108ba

#ba0837 · #37ba08

Split-complementary

Open in tool →

#ba3108 · #90ba08

#ba0890 · #ba8b08 · #08ba31

Contrast

#0837ba as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #366af7 as the text (4.56:1)
  • AAA: use #6c92f9 as the text (7.12:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (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 #0837ba 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

#0837ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0837ba
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 #0837ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0837ba-9ca2c4-df724e-221f2d-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