Color

#28089b

#28089b
hex#28089b
rgbrgb(40, 8, 155)
hslhsl(253, 90%, 32%)
oklchoklch(0.335 0.203 275.8)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0299

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b9b08

#08329b · #71089b

#9b2808 · #089b28

Split-complementary

Open in tool →

#9b7108 · #329b08

#9b0832 · #7b9b08 · #089b71

Contrast

#28089b as textRatioAAAA largeAAAFix
Aaon white
13.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #7c5af6 as the text (4.65:1)
  • AAA: use #9f86f9 as the text (7.25:1)
  • AA: or shift the background to #999999 (4.61:1)
  • AAA: or shift the background to #bfbfbf (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 #28089b 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

#28089b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28089b
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 #28089b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28089b-a99cc4-dfb84e-281f2d-e9ebf1?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