Color

#2a307e

#2a307e
hex#2a307e
rgbrgb(42, 48, 126)
hslhsl(236, 50%, 33%)
oklchoklch(0.355 0.13 274.3)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0411

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e792a

#2a5a7e · #4f2a7e

#7e2a30 · #307e2a

Split-complementary

Open in tool →

#7e4f2a · #5a7e2a

#7e2a5a · #7e792a · #2a7e4f

Contrast

#2a307e as textRatioAAAA largeAAAFix
Aaon white
11.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #666dcc as the text (4.62:1)
  • AAA: use #8c91d9 as the text (7.17:1)
  • AA: or shift the background to #a3a3a3 (4.57:1)
  • AAA: or shift the background to #cccccc (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 #2a307e 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

#2a307e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a307e
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 #2a307e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a307e-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