Cobalt Blue 5013 is a blue paint color from RAL. It has a hex value of #1E213D, estimated LRV 2 and a cool (violet) undertone. Its closest cross-brand match is Starry Sky from Dutch Boy (very similar), with 49 more equivalents across other brands.
RAL · #1E213D · 5013
Cobalt Blue
2%Estimated LRV
Cool (Violet)Undertone
Cobalt Blue Technical Profile
HEX Code#1E213D
RGB30, 33, 61
Estimated LRV1.7
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
BrandRAL
Test it in your room
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 Cobalt Blue
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Starry Sky
Dutch Boy
#2C2F4D
Similar digital color
Ruling Royalty
Kilz
#313048
Visible digital difference
Midnight Navy
Benjamin Moore
#343457
Visible digital difference
Baritone
Behr
#3C304F
Visible digital difference
Nightfall
Valspar
#2A364E
Visible digital difference
Magic Night
Dunn-Edwards
#3A3B5B
Visible digital difference
Dewberry
Sherwin-Williams
#3E385A
Visible digital difference
Newport Indigo
Vista Paint
#363F63
Visible digital difference
Victory Blue
PPG
#3A405A
Visible digital difference
Newport Indigo
Hirshfield's
#313D6C
Visible digital difference
Blue Maize
Farrow & Ball
#3F4666
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 Cobalt 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
Cobalt Blue
#1E213D
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#443856
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Cobalt Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Cobalt 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 RAL Colors
Other RAL colors close to Cobalt 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.
Cobalt Blue — Frequently Asked Questions
What undertone does Cobalt Blue have?
Cobalt Blue by RAL 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 Cobalt Blue from other brands?
The closest cross-brand equivalents to Cobalt Blue are Starry Sky by Dutch Boy (a very close match), Ruling Royalty by Kilz (a close match), Midnight Navy by Benjamin Moore (a close match) — the best options for getting Cobalt 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 Cobalt Blue?
Cobalt Blue has a estimated lightness value of 1.7, 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 Cobalt 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 Cobalt Blue's cool (violet) undertone matters more than its surface color — and how to read undertones in any paint chip.