#213B5B

#213B5B

Color Values

HEX

#213B5B

RGB

33, 59, 91

HSL

213.1, 46.8%, 24.3%

HSV

213.1, 63.7%, 35.7%

CMYK

63.7%, 35.2%, 0.0%, 64.3%

OKLCH

0.3478 0.0649 254.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213B5B

#5B4121

Analogous

#21585B

#24215B

#213B5B

Triadic

#213B5B

#5B213B

#3B5B21

Split Complementary

#213B5B

#5B2421

#585B21

Tetradic

#213B5B

#5B2158

#5B4121

#215B24

Color Blindness Simulation

Original

#213B5B

Protanopia

#2C2C53

Deuteranopia

#2B2951

Tritanopia

#224D4C

Achromatopsia

#383838

CSS Usage

background-color: #213B5B;
color: #213B5B;
border-color: #213B5B;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CBDAEC
300
#A5BFDE
400
#749CCD
500
#4479BB
600
#366196
700
#2B4E78
800
#223D5E
900
#1C2E45
950
#121D2B

Contrast Checker

Text on white

11.4:1

AA Pass AAA Pass

Text on black

1.84:1

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