# #040cfb

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#040cfb`
- RGB: rgb(4, 12, 251)
- HSL: hsl(238, 97%, 50%)
- OKLCH: oklch(0.451 0.306 264.4)
- Relative luminance: 0.0725
- Nearest named color: blue (#0000ff, Δ 0.716) — https://brandsweets.com/colors/blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/040cfb

## Tints & shades

- Tints (toward white): #1d24fc, #363dfc, #4a50fc, #6368fd, #7c81fd, #9699fd, #afb1fe, #c3c5fe, #dcddfe, #f5f5ff
- Shades (toward black): #030be2, #030ace, #0309b5, #0208a1, #020788, #02056f, #01045a, #010341, #01022d, #000114

## Harmonies

- Complementary: #fbf304
- Analogous: #0488fb, #7704fb
- Triadic: #fb040c, #0cfb04
- Split-complementary: #fb7704, #88fb04
- Tetradic: #fb0488, #fbf304, #04fb77

## Colors that go with #040cfb

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #040cfb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #040cfb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #040cfb: 10 real palettes, including CVS's brand system and Procter & Gamble's brand system, as the accent. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #040cfb: 6 real palettes, including Activision's brand system and Pixar's brand system, as the supporting colour. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #040cfb: 6 real palettes, including Unity's brand system and Cargo's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Readymag (https://brandsweets.com/colors/brands/readymag-com), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Monzo's brand system and Sketch's brand system put Midnight Blue beside #040cfb, as the lead colour. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #040cfb in 7 real palettes, including Glossier's brand system and Doordash's brand system, as the supporting colour. Seen in: Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/orangered
- **Red** #ff0000 [pool] — Red is paired with #040cfb in 5 real palettes, including Gap's brand system and native Cybersecurity's brand system, as the supporting colour. Seen in: Gap (https://brandsweets.com/colors/brands/gap-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), 3M (https://brandsweets.com/colors/brands/3m-com). — https://brandsweets.com/colors/red

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 8.57:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5e64fd (4.72:1); AA: background → #bdbdbd (4.56:1); AAA: text → #868afd (7.07:1); AAA: background → #ebebeb (7.19:1)

## Brands using this color

- **Glossier** — accent #0600ff (Δ 0.647) — https://brandsweets.com/colors/brands/glossier-com
- **Gap** — accent #0000ff (Δ 0.716) — https://brandsweets.com/colors/brands/gap-com
- **Unity** — secondary #0000ff (Δ 0.716) — https://brandsweets.com/colors/brands/unity-com
- **native Cybersecurity** — accent #0024ff (Δ 1.97) — https://brandsweets.com/colors/brands/crowdstrike-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/040cfb-9f9cc4-df944e-251f2d-e9edf1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#040cfb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.