Color

#030b68

#030b68
hex#030b68
rgbrgb(3, 11, 104)
hslhsl(235, 94%, 21%)
oklchoklch(0.248 0.152 265.4)
Closest name: Alone in the Dark (#000066)Relative luminance 0.0126

Tints & shades

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

Harmonies

Complementary

Open in tool →

#685f03

#033e68 · #2d0368

#68030c · #0c6803

Split-complementary

Open in tool →

#682d03 · #3e6803

#68033e · #685f03 · #03682d

Contrast

#030b68 as textRatioAAAA largeAAAFix
Aaon white
16.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #5764fa as the text (4.61:1)
  • AAA: use #838dfb as the text (7.17:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030b68 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

#030b68 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030b68
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 #030b68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030b68-9e9cc4-df8d4e-241f2d-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