# #4e99df

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

## Values

- Hex: `#4e99df`
- RGB: rgb(78, 153, 223)
- HSL: hsl(209, 69%, 59%)
- OKLCH: oklch(0.666 0.129 248.9)
- Relative luminance: 0.2973
- Nearest named color: Blue Bay (#619ad6, Δ 2.189) — https://brandsweets.com/colors/blue-bay
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4e99df

## Tints & shades

- Tints (toward white): #60a3e2, #71ade5, #82b7e8, #93c1eb, #a5cbee, #b1d2f1, #c3dcf4, #d4e6f7, #e5f0fa, #f6fafd
- Shades (toward black): #398cdb, #267dcf, #2270b9, #1d619f, #19538a, #154470, #11375a, #0c2741, #081a2b, #030a11

## Harmonies

- Complementary: #df944e
- Analogous: #4edfdc, #4e51df
- Triadic: #df4e99, #99df4e
- Split-complementary: #df4e51, #dfdc4e
- Tetradic: #dc4edf, #df944e, #51df4e

## Colors that go with #4e99df

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 #4e99df: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lido (https://brandsweets.com/palettes/vivid#lido), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: triadic] — Medium Sea Green completes a triad with #4e99df — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com), Olympics (https://brandsweets.com/colors/brands/olympics-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Peru** #cd853f [harmony, pool: complementary] — Peru sits directly opposite #4e99df on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/peru
- **Amber** #ffbf00 [pool] — Amber is paired with #4e99df in 9 real palettes, including Heatwave and NBA's brand system, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), NBA (https://brandsweets.com/colors/brands/nba-com), Google (https://brandsweets.com/colors/brands/google-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Qualcomm's brand system and Unity's brand system put Blue beside #4e99df, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #4e99df in 4 real palettes, including JBL's brand system and NASCAR's brand system, as the supporting colour. Seen in: JBL (https://brandsweets.com/colors/brands/jbl-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #4e99df in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #4e99df: 7 real palettes, including Telegram's brand system and Figma's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Figma (https://brandsweets.com/colors/brands/figma), Remix (https://brandsweets.com/colors/brands/remix-run), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.02:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2478c6 (4.59:1); AA: background → #2b2b2b (4.68:1); AAA: text → #1c5b97 (7.02:1)
- On black (#000000): 6.95:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #539bdf (7.12:1)

## 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/4e99df-9cacc4-df4e4e-1f212d-e9f1f1?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: "#4e99df" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.