#101C4F

#101C4F

Color Values

HEX

#101C4F

RGB

16, 28, 79

HSL

228.6, 66.3%, 18.6%

HSV

228.6, 79.7%, 31.0%

CMYK

79.7%, 64.6%, 0.0%, 69.0%

OKLCH

0.2528 0.0949 268.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#101C4F

#4F4310

Analogous

#103B4F

#23104F

#101C4F

Triadic

#101C4F

#4F101C

#1C4F10

Split Complementary

#101C4F

#4F2310

#3B4F10

Tetradic

#101C4F

#4F103B

#4F4310

#104F23

Color Blindness Simulation

Original

#101C4F

Protanopia

#151543

Deuteranopia

#141440

Tritanopia

#113937

Achromatopsia

#1D1D1D

CSS Usage

background-color: #101C4F;
color: #101C4F;
border-color: #101C4F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F5FC
100
#E3E7F7
200
#C4CDF3
300
#99A9EA
400
#627ADF
500
#2B4BD4
600
#223CAA
700
#1B3088
800
#15266A
900
#141F4D
950
#0C1331

Contrast Checker

Text on white

16.14:1

AA Pass AAA Pass

Text on black

1.3:1

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