Royal Blue D-6740 is a blue paint color from Dutch Boy. It has a hex value of #1D375C, LRV 4 and a cool (violet) undertone. Its closest cross-brand match is Peaceful Night from Behr (nearly identical), with 49 more equivalents across other brands.
Ref. #1D375C · D-6740
Royal Blue
4%LRV Value
Cool (Violet)Undertone
Royal Blue Technical Profile
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Royal Blue in Every Brand
The closest equivalent to Royal Blue in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
Dutch BoyRoyal Blue
Nearly identical
BehrPeaceful Night
Peaceful Night
Behr
Nearly identical
Symphony Blue
Benjamin Moore
Nearly identical
Pearl Night Blue
RAL
Very similar
Blazer Blue
Vista Paint
Very similar
Dress Blues
Sherwin-Williams
Very similar
Nightfall
Valspar
Very similar
Newport Indigo
Hirshfield's
Very similar
Emboldened Blue
Dunn-Edwards
Visible difference
Indigo
Kilz
Visible difference
Hacienda Talavera
PPG
Visible difference
Blue Maize
Farrow & Ball
Visible difference
Petal .05
Colorhouse
Visible difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Royal Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Royal Blue
#1D375C
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#403B71
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Royal Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Royal 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 Dutch Boy Colors
Other Dutch Boy colors close to Royal 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.
Royal Blue — Frequently Asked Questions
What undertone does Royal Blue have?
Royal Blue by Dutch Boy has a cool (violet) undertone and sits in the blue color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Royal Blue in your own space before committing.
What colors match Royal Blue from other brands?
The closest cross-brand equivalents to Royal Blue are Peaceful Night by Behr (a near-identical match), Very Navy by Behr (a near-identical match), Symphony Blue by Benjamin Moore (a near-identical match) — the best options for getting Royal Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Royal Blue?
Royal Blue has a Light Reflectance Value (LRV) of 3.8, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Royal 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 Royal Blue's cool (violet) undertone matters more than its surface color — and how to read undertones in any paint chip.