Color
#1d01bc
#1d01bcrgb(29, 1, 188)hsl(249, 99%, 37%)oklch(0.369 0.243 269)Colors that go with #1d01bc
Charcoal, 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 #1d01bc: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Pfizer's brand system and Pepsi's brand system put Blue beside #1d01bc, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #1d01bc: 4 real palettes, including Blue Mono and Spotify's brand system, as the supporting colour.
Crimson #dc143c
triadicshippedCrimson completes a triad with #1d01bc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #1d01bc: 4 real palettes, including Cargo's brand system and Readymag's brand system, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Blue Mono and Monzo's brand system put Midnight Blue beside #1d01bc, as that palette's text colour.
Orange Red #ff4500
shippedOrange Red is paired with #1d01bc in 6 real palettes, including Intercom's brand system and Tide's brand system, as the supporting colour.
Red #ff0000
shippedRed is paired with #1d01bc in 4 real palettes, including Pepsi's brand system and Gap's brand system, as the lead colour.
Real palettes that use #1d01bc
Tints & shades
Harmonies
Contrast
| #1d01bc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.78:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.78:1 | 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 #1d01bc 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
#1d01bc 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 #1d01bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1d01bc-a79cc4-dfae4e-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