Brand color
Obsidian Primary
#ac8cfcrgb(172, 140, 252)hsl(257, 95%, 77%)oklch(0.716 0.161 295.2)Obsidian Primary 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 1 public brand that uses it and the palettes it appears in.
Colors that go with Obsidian Primary
Amber, Royal Blue and Dark Khaki 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.
Amber #ffbf00
shippedAmber is paired with Obsidian Primary in 4 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with Obsidian Primary in 5 real palettes, including Roblox's brand system and Sephora's brand system, as the lead colour.
Dark Khaki #bdb76b
complementaryDark Khaki sits directly opposite Obsidian Primary on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped3 real palettes, including Canva's brand system and Spotify's brand system put Blue beside Obsidian Primary, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for Obsidian Primary: softer than #000 and cool enough to feel like part of the same palette.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to Obsidian Primary in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Midnight Blue #191970
shipped3 real palettes, including Blue Mono and Lavender Haze put Midnight Blue beside Obsidian Primary, as the text colour against it.
Periwinkle #ccccff
shippedPeriwinkle shows up next to Obsidian Primary in 3 real palettes, including Blue Mono and Calendly's brand system, as the accent.
Real palettes that use Obsidian Primary
Tints & shades
Harmonies
Contrast
| Obsidian Primary as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.65:1 | fail | fail | fail | |
Aaon black | 7.91:1 | pass | pass | pass | Passes 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 Obsidian Primary as the background.
Brands using this color
Fonts for this mood
Obsidian Primary reads as cool, vivid, light. 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 #ac8cfc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/ac8cfc-ac9cc4-dfc24e-291f2d-e9ebf1?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