Color
#4f45bf
#4f45bfrgb(79, 69, 191)hsl(245, 49%, 51%)oklch(0.475 0.184 280.5)Colors that go with #4f45bf
Charcoal, Sea Green and Amber 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 #4f45bf: 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 #4f45bf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #4f45bf in 4 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped6 real palettes, including Pixar's brand system and Zillow's brand system put Blue beside #4f45bf, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #4f45bf: 6 real palettes, including Coca-Cola's brand system and Blue Mono, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #4f45bf in 12 real palettes, including Netflix's brand system and Ulta Beauty's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #4f45bf: 4 real palettes, including Coursera's brand system and HashiCorp's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #4f45bf: 4 real palettes, including Campbell's's brand system and Datadog's brand system, as the supporting colour.
Real palettes that use #4f45bf
Tints & shades
Harmonies
Contrast
| #4f45bf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.15:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.94:1 | 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 #4f45bf 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
#4f45bf 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 #4f45bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4f45bf-a49cc4-dfa54e-261f2d-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