Color

#030c91

#030c91
hex#030c91
rgbrgb(3, 12, 145)
hslhsl(236, 96%, 29%)
oklchoklch(0.307 0.199 264.8)
Closest name: Everlasting Night (#000099)Relative luminance 0.0233

Tints & shades

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

Harmonies

Complementary

Open in tool →

#918703

#035391 · #400391

#91030c · #0c9103

Split-complementary

Open in tool →

#914003 · #539103

#910353 · #918703 · #039140

Contrast

#030c91 as textRatioAAAA largeAAAFix
Aaon white
14.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #5a65fc as the text (4.7:1)
  • AAA: use #878ffd as the text (7.38:1)
  • AA: or shift the background to #919191 (4.55:1)
  • AAA: or shift the background to #b8b8b8 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030c91 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

#030c91 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030c91
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 #030c91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030c91-9e9cc4-df8f4e-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