Blue
Duke Blue
#00009C  ·  hsl(240, 100%, 30.59%)
Tints & Shades
#000027
#00003E
#000056
#00006D
#000085
#00009C
#0000D1
#0707FF
#3C3CFF
#7171FF
#A7A7FF
Color Values
Hex #00009C
RGB 0, 0, 156
HSL hsl(240, 100%, 30.59%)
CMYK 100, 100, 0, 39
CSS Variable
--color-duke-blue: #00009C;
Contrast Checker
On White
Zarighar
Bridal & formal wear
14.19:1 ratio
AA Normal ✓ AA Large ✓ AAA ✓
On Black
Zarighar
Bridal & formal wear
1.48:1 ratio
AA Normal ✗ AA Large ✗ AAA ✗
About this color

Duke Blue — Duke Blue is a dark blue shade that serves as the official color of Duke University.

✨ Zarighar Bridal & Textile Studio Exclusive Feature

Preview how Duke Blue looks across luxury bridal fabrics and South Asian wedding venue lighting — combined in one view.

Raw Silk (Katan)  +  ☀️ Daylight
Fabric Finish
Venue Lighting
Similar Colors
Dark Blue
#00008B
Navy Blue
#000080
Navy
#000080
Dark blue 2
#0000B8
Cobalt Blue
#030AA7
Royal blue 4
#0000CC
Medium Blue
#0000CD
Ultramarine 3
#120A8F
Ink
#000055
Dark Royal Blue
#02066F
International Klein Blue (traditional)
#130a8f
Pure Blue
#0203E2
Zaffre
#0014A8
Phthalo Blue
#000F89
Darkblue
#030764
Blue (Pantone)
#0018A8
Darker Blue
#011288
Blue
#0000FF
Yen Blue
#000033
Neon Blue 2
#1B03A3
Color Combinations
Complementary
Base Duke Blue #00009C
Heart Gold #808000
Analogous
Base Duke Blue #00009C
USAFA Blue #004F98
Dark Purple Blue #6600CC
Triadic
Base Duke Blue #00009C
USC Cardinal #990000
Islamic Green #009000
Split-Complementary
Base Duke Blue #00009C
Brown 3 #964B00
Kermit Green #5CB200
Tetradic
Base Duke Blue #00009C
Violet Red #A50055
Heart Gold #808000
Green (pigment) #00A550
Monochromatic
Base Duke Blue #00009C
Ink #000055
Blue #0000FF
Light Royal Blue #3A2EFE
Blue Purple #7F7FFF
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