#21374F

#21374F

Color Values

HEX

#21374F

RGB

33, 55, 79

HSL

211.3, 41.1%, 22.0%

HSV

211.3, 58.2%, 31.0%

CMYK

58.2%, 30.4%, 0.0%, 69.0%

OKLCH

0.3303 0.0512 251.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#21374F

#4F3921

Analogous

#214E4F

#22214F

#21374F

Triadic

#21374F

#4F2137

#374F21

Split Complementary

#21374F

#4F2221

#4E4F21

Tetradic

#21374F

#4F214E

#4F3921

#214F22

Color Blindness Simulation

Original

#21374F

Protanopia

#2B2B49

Deuteranopia

#292848

Tritanopia

#224544

Achromatopsia

#343434

CSS Usage

background-color: #21374F;
color: #21374F;
border-color: #21374F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDBEA
300
#A9C1DB
400
#7A9FC7
500
#4B7DB4
600
#3C6490
700
#305073
800
#263F5A
900
#1F3042
950
#131E2A

Contrast Checker

Text on white

12.18:1

AA Pass AAA Pass

Text on black

1.72:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026