#100D34

#100D34

Color Values

HEX

#100D34

RGB

16, 13, 52

HSL

244.6, 60.0%, 12.7%

HSV

244.6, 75.0%, 20.4%

CMYK

69.2%, 75.0%, 0.0%, 79.6%

OKLCH

0.1927 0.0738 280.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#100D34

#31340D

Analogous

#0D1D34

#230D34

#100D34

Triadic

#100D34

#34100D

#0D3410

Split Complementary

#100D34

#34230D

#1D340D

Tetradic

#100D34

#340D1D

#31340D

#0D3423

Color Blindness Simulation

Original

#100D34

Protanopia

#0F0F2B

Deuteranopia

#0F0F28

Tritanopia

#102321

Achromatopsia

#101010

CSS Usage

background-color: #100D34;
color: #100D34;
border-color: #100D34;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F3FB
100
#E5E4F6
200
#C9C6F1
300
#A39DE7
400
#7168D9
500
#3F33CC
600
#3229A3
700
#282183
800
#1F1A66
900
#1A164B
950
#110E2F

Contrast Checker

Text on white

18.6:1

AA Pass AAA Pass

Text on black

1.13:1

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