Color

#508ab9

#508ab9
hex#508ab9
rgbrgb(80, 138, 185)
hslhsl(207, 43%, 52%)
oklchoklch(0.614 0.094 244.6)
Closest name: steelblue (#4682b4)Relative luminance 0.2339

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b97f50

#50b9b4 · #5055b9

#b9508a · #8ab950

Split-complementary

Open in tool →

#b95055 · #b9b450

#b450b9 · #b97f50 · #55b950

Contrast

#508ab9 as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #437aa8 as the text (4.58:1)
  • AAA: use #315a7c as the text (7.28:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #699bc3 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #508ab9 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

#508ab9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #508ab9
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 #508ab9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508ab9-9cadc4-df4e53-1f212d-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