Color

#023a4b

#023a4b
hex#023a4b
rgbrgb(2, 58, 75)
hslhsl(194, 95%, 15%)
oklchoklch(0.324 0.06 225)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0355

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b1302

#024b37 · #02154b

#4b023a · #3a4b02

Split-complementary

Open in tool →

#4b0215 · #4b3702

#37024b · #4b1302 · #154b02

Contrast

#023a4b as textRatioAAAA largeAAAFix
Aaon white
12.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #047fa4 as the text (4.58:1)
  • AAA: use #05a1d1 as the text (7.03:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (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 #023a4b 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

#023a4b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #023a4b
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 #023a4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/023a4b-9cb6c4-df4e72-1f242d-e9f1ef?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