# #105cd5

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

## Values

- Hex: `#105cd5`
- RGB: rgb(16, 92, 213)
- HSL: hsl(217, 86%, 45%)
- OKLCH: oklch(0.51 0.199 260.4)
- Relative luminance: 0.1257
- Nearest named color: Denim (#1560bd, Δ 3.951) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/105cd5

## Tints & shades

- Tints (toward white): #1266ed, #2e78ef, #4688f1, #5e97f3, #7aa9f5, #92b9f7, #aac8f9, #c1d7fa, #deeafd, #f6f9fe
- Shades (toward black): #0f54c2, #0d4baf, #0c439d, #0a3b8a, #093377, #07295f, #06214c, #041839, #031026, #010813

## Harmonies

- Complementary: #d58a10
- Analogous: #10bed5, #2710d5
- Triadic: #d5105c, #5cd510
- Split-complementary: #d52710, #bed510
- Tetradic: #d510be, #d58a10, #10d527

## Colors that go with #105cd5

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 #105cd5: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #105cd5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Chase (https://brandsweets.com/colors/brands/chase-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #105cd5 in 8 real palettes, including NBA's brand system and Walmart's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Walmart (https://brandsweets.com/colors/brands/walmart-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] — 15 real palettes, including Headspace's brand system and Pixar's brand system put Blue beside #105cd5, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #105cd5: 8 real palettes, including NBA's brand system and Gopro's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #105cd5: 7 real palettes, including Venmo's brand system and Elastic's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Astro (https://brandsweets.com/colors/brands/astro-build), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #105cd5: 8 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 #105cd5: 8 real palettes, including Nissan's brand system and Campbell's's brand system, as the supporting colour. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Bose (https://brandsweets.com/colors/brands/bose-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 5.98:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0e52be (7.07:1)
- On black (#000000): 3.51:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #206fee (4.57:1); AA: background → #e0e0e0 (4.53:1); AAA: text → #5e97f3 (7.2:1)

## Brands using this color

- **Philips** — secondary #0b5ed7 (Δ 0.553) — https://brandsweets.com/colors/brands/philips-com
- **YouTube** — accent #065fd4 (Δ 0.741) — https://brandsweets.com/colors/brands/youtube-com
- **ElevenLabs** — accent #0a59d2 (Δ 0.934) — https://brandsweets.com/colors/brands/elevenlabs-io
- **Square** — secondary #005ad9 (Δ 0.937) — https://brandsweets.com/colors/brands/squareup-com
- **Box** — primary #0061d5 (Δ 1.195) — https://brandsweets.com/colors/brands/box-com
- **Box** — secondary #0061d5 (Δ 1.195) — https://brandsweets.com/colors/brands/box-com
- **Strava** — accent #0060d0 (Δ 1.284) — https://brandsweets.com/colors/brands/strava-com
- **Nissan** — accent #005fcc (Δ 1.646) — https://brandsweets.com/colors/brands/nissanusa-com
- **Coursera** — accent #0056d2 (Δ 1.716) — https://brandsweets.com/colors/brands/coursera-org

## 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/105cd5-9ca7c4-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: "#105cd5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.