Color

#0839aa

#0839aa
hex#0839aa
rgbrgb(8, 57, 170)
hslhsl(222, 91%, 35%)
oklchoklch(0.401 0.187 263.1)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0588

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa7a08

#088aaa · #2908aa

#aa0839 · #39aa08

Split-complementary

Open in tool →

#aa2908 · #8aaa08

#aa088a · #aa7a08 · #08aa29

Contrast

#0839aa as textRatioAAAA largeAAAFix
Aaon white
9.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #326df5 as the text (4.64:1)
  • AAA: use #6893f8 as the text (7.12:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0839aa 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

#0839aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0839aa
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 #0839aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0839aa-9ca3c4-df6e4e-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