Named color

Astral

#376f89
hex#376f89
rgbrgb(55, 111, 137)
hslhsl(199, 43%, 38%)
oklchoklch(0.515 0.072 230.4)
Relative luminance 0.1399

Astral on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b5237

#378b7b · #37478b

#8b3770 · #708b37

Split-complementary

Open in tool →

#8b3747 · #8b7b37

#7b378b · #8b5237 · #478b37

Contrast

Astral as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #2f5e75 as the text (7.05:1)
Aaon black
3.8:1failpassfail
  • AA: use #3d7c99 as the text (4.54:1)
  • AAA: use #5b9ebe as the text (7.08:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

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

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

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

mcpConnect your agent — build around Astral
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 #376f89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/376f89-9cb3c4-df4e66-1f232d-e9f1f0?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