#17153B

#17153B

Color Values

HEX

#17153B

RGB

23, 21, 59

HSL

243,2, 47,5%, 15,7%

HSV

243,2, 64,4%, 23,1%

CMYK

61,0%, 64,4%, 0,0%, 76,9%

OKLCH

0,2235 0,071 281,3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#17153B

#393B15

Analogous

#15263B

#2A153B

#17153B

Triadic

#17153B

#3B1715

#153B17

Split Complementary

#17153B

#3B2A15

#263B15

Tetradic

#17153B

#3B1526

#393B15

#153B2A

Color Blindness Simulation

Original

#17153B

Protanopia

#161632

Deuteranopia

#161630

Tritanopia

#172B29

Achromatopsia

#181818

CSS Usage

background-color: #17153B;
color: #17153B;
border-color: #17153B;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CCCAEC
300
#A8A5DF
400
#7974CD
500
#4943BC
600
#3B3696
700
#2F2B78
800
#25215E
900
#1E1C45
950
#13122C

Contrast Checker

Text on white

17,4:1

AA Pass AAA Pass

Text on black

1,21:1

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