Color

#0489b9

#0489b9
hex#0489b9
rgbrgb(4, 137, 185)
hslhsl(196, 96%, 37%)
oklchoklch(0.592 0.12 232.3)
Closest name: steelblue (#4682b4)Relative luminance 0.2142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b93404

#04b98f · #042eb9

#b90489 · #89b904

Split-complementary

Open in tool →

#b9042e · #b98f04

#8f04b9 · #b93404 · #2eb904

Contrast

#0489b9 as textRatioAAAA largeAAAFix
Aaon white
3.97:1failpassfail
  • AA: use #037eaa as the text (4.6:1)
  • AAA: use #036082 as the text (7:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #04a2dc as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0489b9 as the background.

Brands using this color

Fonts for this mood

#0489b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0489b9
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 #0489b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0489b9-9cb5c4-df4e6e-1f232d-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