CSS color
darkslateblue
#483d8brgb(72, 61, 139)hsl(248, 39%, 39%)oklch(0.414 0.125 286)Darkslateblue 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 darkslateblue
Charcoal, Sea Green and Steel Blue 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 darkslateblue: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of darkslateblue: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
analogousshippedSteel Blue is darkslateblue's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped6 real palettes, including CVS's brand system and Tesco's brand system put Blue beside darkslateblue, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with darkslateblue: 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with darkslateblue in 12 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with darkslateblue: 14 real palettes, including Unilever's brand system and Warbyparker's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with darkslateblue: 4 real palettes, including Datadog's brand system and MLB's brand system, as the accent.
Real palettes that use darkslateblue
Tints & shades
Harmonies
Contrast
| darkslateblue as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.07:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.32:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with darkslateblue 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
darkslateblue reads as cool, modern. 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 #483d8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/483d8b-a69cc4-dfac4e-271f2d-e9ecf1?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