Ref. #74AEC7 · MP6783
Castaway Blue
38%LRV Value
Cool (Blue)Undertone
Castaway Blue Technical Profile
What color is Castaway Blue? It's a medium cool blue with the hex code #74AEC7. Colors similar to Castaway Blue include Kilz Calm Spring, Valspar Soul Blue, Valspar Tidal Basin. Castaway Blue has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. Its LRV of 38 gives Castaway Blue depth without going dark, which makes it a strong choice for accent walls, libraries, and rooms with abundant natural light. Pair it with cool whites like Chantilly Lace, walnut or rift-cut oak floors, and brushed nickel or polished chrome hardware. Brass accents add warmth for a layered look. Blues stay crisp under 4000K+ cool LEDs. Under 2700K warm bulbs they can read grayer or shift slightly purple — particularly true for mid-tone and saturated blues.
Colors Similar to Castaway Blue
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Castaway Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Castaway Blue
#74AEC7
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#7F89B3
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Castaway Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Castaway Blue Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar MPC Colors
Other MPC colors close to Castaway Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Castaway Blue — Frequently Asked Questions
What undertone does Castaway Blue have?
Castaway Blue by MPC has a cool (blue) undertone and belongs to the blue color family.
What colors match Castaway Blue from other brands?
The closest matches are Calm Spring by Kilz (#77AFCB), Soul Blue by Valspar (#73A9C2), Tidal Basin by Valspar (#77ADC9). Always verify with physical samples.
What is the LRV of Castaway Blue?
Castaway Blue has an LRV of 38.1, where 0 is pure black and 100 is pure white.
Explore More with Castaway Blue
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Castaway Blue's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.