#1F3F60

#1F3F60

Color Values

HEX

#1F3F60

RGB

31, 63, 96

HSL

210.5, 51.2%, 24.9%

HSV

210.5, 67.7%, 37.6%

CMYK

67.7%, 34.4%, 0.0%, 62.4%

OKLCH

0.3601 0.0689 250.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#1F3F60

#60401F

Analogous

#1F5F60

#201F60

#1F3F60

Triadic

#1F3F60

#601F3F

#3F601F

Split Complementary

#1F3F60

#60201F

#5F601F

Tetradic

#1F3F60

#601F5F

#60401F

#1F6020

Color Blindness Simulation

Original

#1F3F60

Protanopia

#2D2D58

Deuteranopia

#2B2956

Tritanopia

#215250

Achromatopsia

#3B3B3B

CSS Usage

background-color: #1F3F60;
color: #1F3F60;
border-color: #1F3F60;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C9DBEE
300
#A2C1E1
400
#70A0D1
500
#3E7EC1
600
#32659A
700
#28517B
800
#1F3F60
900
#1A3047
950
#101E2D

Contrast Checker

Text on white

10.83:1

AA Pass AAA Pass

Text on black

1.94:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026