Color

#0d28bf

#0d28bf
hex#0d28bf
rgbrgb(13, 40, 191)
hslhsl(231, 87%, 40%)
oklchoklch(0.398 0.229 265.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0536

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfa40d

#0d81bf · #4b0dbf

#bf0d28 · #28bf0d

Split-complementary

Open in tool →

#bf4b0d · #81bf0d

#bf0d81 · #bfa40d · #0dbf4b

Contrast

#0d28bf as textRatioAAAA largeAAAFix
Aaon white
10.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #4f67f3 as the text (4.57:1)
  • AAA: use #7e90f6 as the text (7.21:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d28bf 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

#0d28bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d28bf
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 #0d28bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d28bf-9c9ec4-df834e-231f2d-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