Color

#02275e

#02275e
hex#02275e
rgbrgb(2, 39, 94)
hslhsl(216, 96%, 19%)
oklchoklch(0.287 0.107 258.9)
Closest name: Black Sea Night (#052462)Relative luminance 0.0227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f3a02

#02565f · #0b025f

#5f0227 · #275f02

Split-complementary

Open in tool →

#5f0b02 · #565f02

#5f0256 · #5f3a02 · #025f0b

Contrast

#02275e as textRatioAAAA largeAAAFix
Aaon white
14.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #0f6dfa as the text (4.59:1)
  • AAA: use #5095fb as the text (7.03:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #02275e 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

#02275e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02275e
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 #02275e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02275e-9ca7c4-df5f4e-201f2d-e9f0f1?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