Named color
Blue Öyster Cult
#5577eergb(85, 119, 238)hsl(227, 82%, 63%)oklch(0.606 0.183 268.5)Blue Öyster Cult 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.
Colors that go with Blue Öyster Cult
Charcoal, Crimson and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for Blue Öyster Cult: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with Blue Öyster Cult — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with Blue Öyster Cult — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with Blue Öyster Cult in 11 real palettes, including Google's brand system and Mastodon hosted on mastodon.social's brand system, as the accent.
Blue #0000ff
shipped13 real palettes, including Qualcomm's brand system and Penpot's brand system put Blue beside Blue Öyster Cult, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with Blue Öyster Cult: 10 real palettes, including Carrefour's brand system and Behance's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with Blue Öyster Cult: 9 real palettes, including Patreon's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with Blue Öyster Cult: 18 real palettes, including Fivetran blue's brand system and Coursera's brand system, as the supporting colour.
Real palettes that use Blue Öyster Cult
Tints & shades
Harmonies
Contrast
| Blue Öyster Cult as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.99:1 | fail | pass | fail | |
Aaon black | 5.26:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with Blue Öyster Cult 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
Blue Öyster Cult reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #5577ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/5577ee-9ca0c4-df7a4e-221f2d-e9eff1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md