# #1851e2

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

## Values

- Hex: `#1851e2`
- RGB: rgb(24, 81, 226)
- HSL: hsl(223, 81%, 49%)
- OKLCH: oklch(0.502 0.227 263.7)
- Relative luminance: 0.1157
- Nearest named color: C64 Blue (#003aff, Δ 5.918) — https://brandsweets.com/colors/c64-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1851e2

## Tints & shades

- Tints (toward white): #2b61e9, #4272eb, #5983ee, #7094f0, #87a5f2, #99b3f4, #b1c4f7, #c8d6f9, #dfe7fc, #f6f8fe
- Shades (toward black): #164ad0, #1342b9, #113ca6, #0f338f, #0d2d7d, #0b2466, #091e53, #06163c, #040f2a, #020712

## Harmonies

- Complementary: #e2a918
- Analogous: #18b6e2, #4418e2
- Triadic: #e21851, #51e218
- Split-complementary: #e24418, #b6e218
- Tetradic: #e218b6, #e2a918, #18e244

## Colors that go with #1851e2

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 #1851e2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1851e2 — 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), Toyota (https://brandsweets.com/colors/brands/toyota-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #1851e2 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1851e2: 10 real palettes, including Gopro's brand system and Roblox's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), NBA (https://brandsweets.com/colors/brands/nba-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1851e2: 6 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), Calm (https://brandsweets.com/colors/brands/calm-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1851e2: 11 real palettes, including Coursera's brand system and OnePlus's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), OnePlus (https://brandsweets.com/colors/brands/oneplus-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Apple (https://brandsweets.com/colors/brands/apple-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #1851e2: 6 real palettes, including Nissan's brand system and Bose's brand system, as the supporting colour. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Bose (https://brandsweets.com/colors/brands/bose-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com). — https://brandsweets.com/colors/firebrick
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #1851e2 in 4 real palettes, including 1password's brand system and Telehealth, as the supporting colour. Seen in: 1password (https://brandsweets.com/colors/brands/1password-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Calm (https://brandsweets.com/colors/brands/calm-com), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightskyblue

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

- On white (#ffffff): 6.34:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #164ad0 (7.18:1)
- On black (#000000): 3.31:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3d6eeb (4.63:1); AA: background → #dbdbdb (4.58:1); AAA: text → #7094f0 (7.18:1)

## Brands using this color

- **Walmart** — primary #0453e4 (Δ 0.748) — https://brandsweets.com/colors/brands/walmart-com
- **NHL** — secondary #0055e9 (Δ 1.452) — https://brandsweets.com/colors/brands/nhl-com
- **Dairy Queen** — accent #0b4cdb (Δ 1.799) — https://brandsweets.com/colors/brands/dairyqueen-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/1851e2-9ca3c4-df704e-211f2d-e9eff1?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: "#1851e2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.