#01337F

#01337F

Color Values

HEX

#01337F

RGB

1, 51, 127

HSL

216.2, 98.4%, 25.1%

HSV

216.2, 99.2%, 49.8%

CMYK

99.2%, 59.8%, 0.0%, 50.2%

OKLCH

0.3455 0.1379 259.8

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#01337F

#7F4D01

Analogous

#01727F

#0E017F

#01337F

Triadic

#01337F

#7F0133

#337F01

Split Complementary

#01337F

#7F0E01

#727F01

Tetradic

#01337F

#7F0172

#7F4D01

#017F0E

Color Blindness Simulation

Original

#01337F

Protanopia

#17176D

Deuteranopia

#141068

Tritanopia

#045E5B

Achromatopsia

#2E2E2E

CSS Usage

background-color: #01337F;
color: #01337F;
border-color: #01337F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F6FE
100
#DEEAFC
200
#B8D4FE
300
#86B5FE
400
#448DFD
500
#0266FD
600
#0251CA
700
#0141A2
800
#01337E
900
#06285B
950
#04193A

Contrast Checker

Text on white

11.79:1

AA Pass AAA Pass

Text on black

1.78:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026