#3D669B

#3D669B

Color Values

HEX

#3D669B

RGB

61, 102, 155

HSL

213.8, 43.5%, 42.4%

HSV

213.8, 60.6%, 60.8%

CMYK

60.6%, 34.2%, 0.0%, 39.2%

OKLCH

0.5051 0.0968 255.5

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3D669B

#9B723D

Analogous

#3D959B

#433D9B

#3D669B

Triadic

#3D669B

#9B3D66

#669B3D

Split Complementary

#3D669B

#9B433D

#959B3D

Tetradic

#3D669B

#9B3D95

#9B723D

#3D9B43

Color Blindness Simulation

Original

#3D669B

Protanopia

#4F4F8E

Deuteranopia

#4C498B

Tritanopia

#3F8482

Achromatopsia

#616161

CSS Usage

background-color: #3D669B;
color: #3D669B;
border-color: #3D669B;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7ECF4
200
#CCD9EB
300
#A7BEDC
400
#789BCA
500
#4878B7
600
#3A6092
700
#2E4D75
800
#243C5B
900
#1D2E43
950
#131D2B

Contrast Checker

Text on white

5.88:1

AA Pass AAA Fail

Text on black

3.57:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026