# #0251cf

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

## Values

- Hex: `#0251cf`
- RGB: rgb(2, 81, 207)
- HSL: hsl(217, 98%, 41%)
- OKLCH: oklch(0.481 0.206 261)
- Relative luminance: 0.104
- Nearest named color: Denim (#1560bd, Δ 4.935) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0251cf

## Tints & shades

- Tints (toward white): #025ced, #0d69fd, #2b7bfd, #498efd, #68a1fd, #81b1fe, #9fc3fe, #bdd6fe, #d7e6ff, #f5f9ff
- Shades (toward black): #0249bb, #0243ac, #023b97, #013383, #012d74, #012560, #011e4c, #011638, #001028, #000814

## Harmonies

- Complementary: #cf8002
- Analogous: #02b7cf, #1a02cf
- Triadic: #cf0251, #51cf02
- Split-complementary: #cf1a02, #b7cf02
- Tetradic: #cf02b7, #cf8002, #02cf1a

## Colors that go with #0251cf

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 #0251cf: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0251cf — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #0251cf 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), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Zillow's brand system and Headspace's brand system put Blue beside #0251cf, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0251cf: 9 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), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0251cf: 7 real palettes, including Venmo's brand system and Warp's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0251cf: 10 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), ASUS (https://brandsweets.com/colors/brands/asus-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #0251cf: 6 real palettes, including MLB's brand system and Nissan's brand system, as the supporting colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), 3M (https://brandsweets.com/colors/brands/3m-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 6.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #024fca (7.06:1)
- On black (#000000): 3.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #126cfd (4.59:1); AA: background → #d4d4d4 (4.6:1); AAA: text → #5394fd (7.02:1)

## Brands using this color

- **Warbyparker** — accent #1050d0 (Δ 0.461) — https://brandsweets.com/colors/brands/warbyparker-com
- **Soundcloud** — accent #044dd2 (Δ 1.002) — https://brandsweets.com/colors/brands/soundcloud-com
- **UEFA** — accent #1e4fd0 (Δ 1.126) — https://brandsweets.com/colors/brands/uefa-com
- **Coursera** — accent #0056d2 (Δ 1.272) — https://brandsweets.com/colors/brands/coursera-org

## 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/0251cf-9ca7c4-df624e-201f2d-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: "#0251cf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.