#100F35

#100F35

Color Values

HEX

#100F35

RGB

16, 15, 53

HSL

241.6, 55.9%, 13.3%

HSV

241.6, 71.7%, 20.8%

CMYK

69.8%, 71.7%, 0.0%, 79.2%

OKLCH

0.198 0.0723 278.7

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#100F35

#34350F

Analogous

#0F2135

#230F35

#100F35

Triadic

#100F35

#35100F

#0F3510

Split Complementary

#100F35

#35230F

#21350F

Tetradic

#100F35

#350F21

#34350F

#0F3523

Color Blindness Simulation

Original

#100F35

Protanopia

#10102C

Deuteranopia

#10102A

Tritanopia

#102523

Achromatopsia

#121212

CSS Usage

background-color: #100F35;
color: #100F35;
border-color: #100F35;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C8C7EF
300
#A1A0E4
400
#6F6CD5
500
#3C38C7
600
#302D9F
700
#26247F
800
#1E1C63
900
#191849
950
#100F2E

Contrast Checker

Text on white

18.39:1

AA Pass AAA Pass

Text on black

1.14:1

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