# #0f53db

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

## Values

- Hex: `#0f53db`
- RGB: rgb(15, 83, 219)
- HSL: hsl(220, 87%, 46%)
- OKLCH: oklch(0.497 0.217 262.3)
- Relative luminance: 0.114
- Nearest named color: Denim (#1560bd, Δ 5.781) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0f53db

## Tints & shades

- Tints (toward white): #155eef, #2d6ef0, #4a82f2, #6292f4, #79a3f6, #91b3f7, #a9c4f9, #c6d8fb, #dee8fd, #f5f8fe
- Shades (toward black): #0e4cc8, #0d45b5, #0b3c9d, #0a358a, #082d77, #072664, #061f51, #041639, #030e26, #010713

## Harmonies

- Complementary: #db970f
- Analogous: #0fb9db, #310fdb
- Triadic: #db0f53, #53db0f
- Split-complementary: #db310f, #b9db0f
- Tetradic: #db0fb9, #db970f, #0fdb31

## Colors that go with #0f53db

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 #0f53db: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0f53db — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #0f53db in 7 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #0f53db, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0f53db: 10 real palettes, including Gopro's brand system and NBA's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), NBA (https://brandsweets.com/colors/brands/nba-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0f53db: 7 real palettes, including Elastic's brand system and Warp's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Warp (https://brandsweets.com/colors/brands/warp-dev), Venmo (https://brandsweets.com/colors/brands/venmo-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0f53db: 11 real palettes, including Coursera's brand system and HashiCorp's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Apple (https://brandsweets.com/colors/brands/apple-com), OnePlus (https://brandsweets.com/colors/brands/oneplus-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #0f53db: 6 real palettes, including Nissan's brand system and MLB's brand system, as the supporting colour. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Bose (https://brandsweets.com/colors/brands/bose-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 6.4:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0e4ecd (7.02:1)
- On black (#000000): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2d6ef0 (4.6:1); AA: background → #d9d9d9 (4.54:1); AAA: text → #6696f4 (7.23:1)

## Brands using this color

- **Walmart** — primary #0453e4 (Δ 1.402) — https://brandsweets.com/colors/brands/walmart-com
- **Coursera** — accent #0056d2 (Δ 1.58) — https://brandsweets.com/colors/brands/coursera-org
- **Square** — secondary #005ad9 (Δ 1.59) — https://brandsweets.com/colors/brands/squareup-com
- **Dairy Queen** — accent #0b4cdb (Δ 1.594) — https://brandsweets.com/colors/brands/dairyqueen-com
- **Warbyparker** — accent #1050d0 (Δ 1.867) — https://brandsweets.com/colors/brands/warbyparker-com
- **ElevenLabs** — accent #0a59d2 (Δ 1.95) — https://brandsweets.com/colors/brands/elevenlabs-io
- **UEFA** — accent #1e4fd0 (Δ 1.963) — https://brandsweets.com/colors/brands/uefa-com

## Curated palettes containing it

- **Campus** (friendly, cool, clean) — #1d4ed8, #64748b, #f59e0b, #ffffff, #1e293b — Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students. — tool: https://brandsweets.com/palettes/new/1d4ed8-64748b-f59e0b-ffffff-1e293b — collection: https://brandsweets.com/palettes/friendly
- **Peacock** (jewel-tones, vivid, cool, bold) — #0d9488, #1d4ed8, #a21caf, #ffffff, #0c1a2b — Teal, cobalt and magenta at full chroma on white — jewel tones in daylight; the trick is a near-black text with a blue cast. — tool: https://brandsweets.com/palettes/new/0d9488-1d4ed8-a21caf-ffffff-0c1a2b — collection: https://brandsweets.com/palettes/jewel-tones

## 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/0f53db-9ca5c4-df694e-211f2d-e9f0f1?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: "#0f53db" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.