blueandblackdress

The Blue-and-Black Shade Index

Every blue used in blue and black dress formalwear, in one place. This index groups all 50 shades by family with a quick swatch and hex code. For the full pairing data, hex codes, undertones, and flash behaviour, see the flagship shade guide. For the six most searched shades, we’ve written a full profile covering where each one is most likely to go wrong.

Royal blue satin gown with sheer black lace side panels and a V-neck bodice, hotel lobby setting
A deep royal blue gown with sheer black lace panelling down each side of the skirt.
Shop This Blue and Black Gown
Navy Blue and black vertical colour-block A-line midi dress with a tie waist, boutique interior
Tea-length A-line dress alternating navy blue and black vertical colour panels.
Shop This Navy Blue Colour-Block Dress
Teal Blue and black floral lace tea-length dress in a gallery setting with framed paintings
Teal Blue tea-length dress layered in black floral lace over a fitted bodice.
Shop This Teal Blue Lace Dress

At a glance

  • 50 shades across 7 families, from royal blues to muted dusty blues
  • 6 shades have a full profile page: royal blue, navy, cobalt, sapphire, teal, and periwinkle
  • Every shade links back to its row in the flagship guide’s pairing and flash-behaviour tables

In-Depth Shade Profiles

Royal Blue

Royal Blue vs Cobalt Blue: Telling Them Apart

Navy Blue

Why Navy Blue Is the Hardest Blue to Get Right

Cobalt Blue

Cobalt Blue Under Warm Indoor Lighting

Sapphire Blue

Why Sapphire Blue Resists Reading as Black

Teal Blue

Why Teal Blue Photographs Greener Than It Looks

Periwinkle Blue

Periwinkle Blue and Black Lace: Getting the Weight Right

Royal & Classic Blues

Royal Blue#4169E1Imperial Blue#002395Cornflower Blue#6495EDDenim Blue#1560BDEgyptian Blue#1034A6Persian Blue#1C39BBKlein Blue#002FA7French Blue#0072BB
Navy Blue#000080Midnight Blue#191970Oxford Blue#002147Space Cadet Blue#1D2951Prussian Blue#003153Marine Blue#01386AInk Navy Blue#1B2431Dark Slate Blue#483D8B

Cobalt & Electric Blues

Cobalt Blue#0047ABElectric Blue#0892D0Azure Blue#007FFFCerulean Blue#007BA7Brandeis Blue#0070FFBright Blue#0096FFNeon Blue#1B03A3

Teal & Blue-Greens

Teal Blue#008080Peacock Blue#005F69Deep Teal Blue#014D4ETurquoise Blue#40E0D0Petrol Blue#1B4D5CLagoon Blue#4C9EA0Pine Teal Blue#00695C

Powder & Pastel Blues

Powder Blue#B0E0E6Baby Blue#89CFF0Periwinkle Blue#CCCCFFSky Blue#87CEEBIce Blue#D6ECEFPale Cornflower Blue#A2C4E8Alice Blue#F0F8FF

Dusty & Muted Blues

Dusty Blue#6E8CA0Cadet Blue#5F9EA0Steel Blue#4682B4Slate Blue#6A7B8CChambray Blue#7B93A8Smoke Blue#8CA3B8Fog Blue#9AAFC0

Jewel & Deep Blues

Sapphire Blue#0F52BALapis Blue#26619CIndigo Blue#3F51B5Yale Blue#00356BAdmiral Blue#1F3A5FClassic Blue#0F4C81