Color

#58a3ee

#58a3ee
hex#58a3ee
rgbrgb(88, 163, 238)
hslhsl(210, 82%, 64%)
oklchoklch(0.7 0.134 250.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.3444

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eea358

#58eeee · #5858ee

#ee58a3 · #a3ee58

Split-complementary

Open in tool →

#ee5858 · #eeee58

#ee58ee · #eea358 · #58ee58

Contrast

#58a3ee as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #1575d5 as the text (4.63:1)
  • AAA: use #1059a2 as the text (7.06:1)
  • AA: or shift the background to #363636 (4.54:1)
  • AAA: or shift the background to #121212 (7.04:1)
Aaon black
7.89:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #58a3ee 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

#58a3ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58a3ee
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 #58a3ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58a3ee-9cabc4-df514e-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