Named color
Overdue Blue
#4400ffrgb(68, 0, 255)hsl(256, 100%, 50%)oklch(0.476 0.3 274.9)Overdue Blue 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 Overdue Blue
Charcoal, Cobalt Blue and Cornflower 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 Overdue Blue: softer than #000 and cool enough to feel like part of the same palette.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with Overdue Blue: 10 real palettes, including CVS's brand system and Procter & Gamble's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with Overdue Blue: 4 real palettes, including Qualcomm's brand system and Canva's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with Overdue Blue in 6 real palettes, including Dunkin''s brand system and Tim Hortons's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with Overdue Blue: 6 real palettes, including Pixar's brand system and Activision's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with Overdue Blue: 6 real palettes, including Unity's brand system and Cargo's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Penpot's brand system and Monzo's brand system put Midnight Blue beside Overdue Blue, as the lead colour.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with Overdue Blue — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use Overdue Blue
Tints & shades
Harmonies
Contrast
| Overdue Blue as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.81:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.69:1 | 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 Overdue Blue 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
Overdue Blue 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 #4400ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4400ff-ab9cc4-dfbf4e-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