#17103F

#17103F

Color Values

HEX

#17103F

RGB

23, 16, 63

HSL

248.9, 59.5%, 15.5%

HSV

248.9, 74.6%, 24.7%

CMYK

63.5%, 74.6%, 0.0%, 75.3%

OKLCH

0.217 0.0854 283.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#17103F

#383F10

Analogous

#10213F

#2F103F

#17103F

Triadic

#17103F

#3F1710

#103F17

Split Complementary

#17103F

#3F2F10

#213F10

Tetradic

#17103F

#3F1021

#383F10

#103F2F

Color Blindness Simulation

Original

#17103F

Protanopia

#141434

Deuteranopia

#141531

Tritanopia

#172B29

Achromatopsia

#151515

CSS Usage

background-color: #17103F;
color: #17103F;
border-color: #17103F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F3FB
100
#E7E4F6
200
#CCC6F1
300
#A89DE6
400
#7969D9
500
#4A34CB
600
#3B29A3
700
#2F2182
800
#251A66
900
#1E174A
950
#130E2F

Contrast Checker

Text on white

17.76:1

AA Pass AAA Pass

Text on black

1.18:1

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