Color

#28258e

#28258e
hex#28258e
rgbrgb(40, 37, 142)
hslhsl(242, 59%, 35%)
oklchoklch(0.35 0.166 274.8)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0373

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a8e25

#25568e · #5d258e

#8e2825 · #258e28

Split-complementary

Open in tool →

#8e5d25 · #568e25

#8e2556 · #8a8e25 · #258e5d

Contrast

#28258e as textRatioAAAA largeAAAFix
Aaon white
12.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #6d69d8 as the text (4.66:1)
  • AAA: use #908de2 as the text (7.09:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28258e 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

#28258e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28258e
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 #28258e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28258e-a29cc4-df9e4e-261f2d-e9edf1?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