Color

#030f49

#030f49
hex#030f49
rgbrgb(3, 15, 73)
hslhsl(230, 92%, 15%)
oklchoklch(0.212 0.108 265.4)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0084

Tints & shades

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

Harmonies

Complementary

Open in tool →

#493e03

#033249 · #1b0349

#49030f · #0f4903

Split-complementary

Open in tool →

#491b03 · #324903

#490332 · #493e03 · #03491b

Contrast

#030f49 as textRatioAAAA largeAAAFix
Aaon white
17.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #4a67f7 as the text (4.57:1)
  • AAA: use #7b90f9 as the text (7.2:1)
  • AA: or shift the background to #808080 (4.55:1)
  • AAA: or shift the background to #a3a3a3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030f49 as the background.

Brands using this color

Fonts for this mood

#030f49 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030f49
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 #030f49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030f49-9c9ec4-df814e-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