Color

#023b78

#023b78
hex#023b78
rgbrgb(2, 59, 120)
hslhsl(211, 97%, 24%)
oklchoklch(0.358 0.117 255.4)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#793f02

#027779 · #040279

#79023b · #3b7902

Split-complementary

Open in tool →

#790402 · #777902

#790277 · #793f02 · #027904

Contrast

#023b78 as textRatioAAAA largeAAAFix
Aaon white
11.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #0472e7 as the text (4.57:1)
  • AAA: use #3b98fc as the text (7.08:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #023b78 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

#023b78 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #023b78
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 #023b78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/023b78-9cabc4-df534e-1f202d-e9f1f1?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