Royal Blue D-6740 is a blue paint color from Dutch Boy. It has a hex value of #1D375C, estimated 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.
Dutch Boy · #1D375C · D-6740
Royal Blue
4%Estimated LRV
Cool (Violet)Undertone
Royal Blue Technical Profile
HEX Code#1D375C
RGB29, 55, 92
Estimated LRV3.8
UndertoneCool (Violet)
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyblue
BrandDutch Boy
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Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Royal Blue
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Peaceful Night
Behr
#1D355C
Close digital match
Symphony Blue
Benjamin Moore
#213C5E
Close digital match
Pearl Night Blue
RAL
#102C54
Similar digital color
Blazer Blue
Vista Paint
#243A52
Similar digital color
Dress Blues
Sherwin-Williams
#2B4360
Similar digital color
Nightfall
Valspar
#2A364E
Similar digital color
Newport Indigo
Hirshfield's
#313D6C
Similar digital color
Emboldened Blue
Dunn-Edwards
#334377
Visible digital difference
Indigo
Kilz
#314973
Visible digital difference
Hacienda Talavera
PPG
#314A76
Visible digital difference
Blue Maize
Farrow & Ball
#3F4666
Visible digital difference
Petal .05
Colorhouse
#1F4992
Visible digital difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Royal Blue
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
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
Digital 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. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Royal Blue from other brands?
The closest cross-brand equivalents to Royal Blue are Peaceful Night by Behr (a close digital match), Very Navy by Behr (a close digital match), Symphony Blue by Benjamin Moore (a close digital 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 estimated lightness value 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.