Color
#0638fe
#0638fergb(6, 56, 254)hsl(228, 99%, 51%)oklch(0.49 0.286 264.4)Colors that go with #0638fe
Charcoal, Crimson and Cobalt 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 #0638fe: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #0638fe — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #0638fe: 8 real palettes, including Zillow's brand system and NHL's brand system, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #0638fe: 7 real palettes, including Qualcomm's brand system and Canva's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #0638fe: 5 real palettes, including Pixar's brand system and Dairy Queen's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #0638fe: 8 real palettes, including Unity's brand system and Cargo's brand system, as the lead colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #0638fe in 6 real palettes, including Unity's brand system and Spotify's brand system, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Penpot's brand system and Monzo's brand system put Midnight Blue beside #0638fe, as the lead colour.
Real palettes that use #0638fe
Tints & shades
Harmonies
Contrast
| #0638fe as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.99:1 | pass | pass | fail |
|
Aaon black | 3:1 | fail | 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 #0638fe as the background.
Brands using this color
Fonts for this mood
#0638fe 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 #0638fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0638fe-9c9fc4-df7c4e-231f2d-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