#101550

#101550

Color Values

HEX

#101550

RGB

16, 21, 80

HSL

235.3, 66.7%, 18.8%

HSV

235.3, 80.0%, 31.4%

CMYK

80.0%, 73.7%, 0.0%, 68.6%

OKLCH

0.2392 0.1061 271.6

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#101550

#504B10

Analogous

#103550

#2B1050

#101550

Triadic

#101550

#501015

#155010

Split Complementary

#101550

#502B10

#355010

Tetradic

#101550

#501035

#504B10

#10502B

Color Blindness Simulation

Original

#101550

Protanopia

#121242

Deuteranopia

#12123E

Tritanopia

#103634

Achromatopsia

#181818

CSS Usage

background-color: #101550;
color: #101550;
border-color: #101550;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F4FC
100
#E3E5F7
200
#C3C7F3
300
#999FEB
400
#626CE0
500
#2A38D5
600
#222DAA
700
#1B2488
800
#151C6A
900
#13184E
950
#0C0F31

Contrast Checker

Text on white

16.87:1

AA Pass AAA Pass

Text on black

1.25:1

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