#1F364B

#1F364B

Color Values

HEX

#1F364B

RGB

31, 54, 75

HSL

208.6, 41.5%, 20.8%

HSV

208.6, 58.7%, 29.4%

CMYK

58.7%, 28.0%, 0.0%, 70.6%

OKLCH

0.3241 0.0475 247.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1F364B

#4B341F

Analogous

#1F4B4A

#1F204B

#1F364B

Triadic

#1F364B

#4B1F36

#364B1F

Split Complementary

#1F364B

#4B1F20

#4B4A1F

Tetradic

#1F364B

#4A1F4B

#4B341F

#204B1F

Color Blindness Simulation

Original

#1F364B

Protanopia

#292946

Deuteranopia

#282645

Tritanopia

#204241

Achromatopsia

#333333

CSS Usage

background-color: #1F364B;
color: #1F364B;
border-color: #1F364B;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CCDCEA
300
#A8C3DB
400
#79A2C8
500
#4B82B4
600
#3C6890
700
#305373
800
#25415A
900
#1E3143
950
#131F2A

Contrast Checker

Text on white

12.44:1

AA Pass AAA Pass

Text on black

1.69:1

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