#21679B

#21679B

Color Values

HEX

#21679B

RGB

33, 103, 155

HSL

205.6, 64.9%, 36.9%

HSV

205.6, 78.7%, 60.8%

CMYK

78.7%, 33.5%, 0.0%, 39.2%

OKLCH

0.4966 0.1074 245.3

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#21679B

#9B5521

Analogous

#219B92

#212A9B

#21679B

Triadic

#21679B

#9B2167

#679B21

Split Complementary

#21679B

#9B212A

#9B9221

Tetradic

#21679B

#92219B

#9B5521

#2A9B21

Color Blindness Simulation

Original

#21679B

Protanopia

#3F408E

Deuteranopia

#3B368B

Tritanopia

#248482

Achromatopsia

#5C5C5C

CSS Usage

background-color: #21679B;
color: #21679B;
border-color: #21679B;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F8FC
100
#E3EFF7
200
#C4DFF2
300
#9AC8EA
400
#63AADE
500
#2D8CD2
600
#2470A8
700
#1D5987
800
#164669
900
#14354D
950
#0D2130

Contrast Checker

Text on white

6.04:1

AA Pass AAA Fail

Text on black

3.48:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026