#221740

#221740

Color Values

HEX

#221740

RGB

34, 23, 64

HSL

256.1, 47.1%, 17.1%

HSV

256.1, 64.1%, 25.1%

CMYK

46.9%, 64.1%, 0.0%, 74.9%

OKLCH

0.2437 0.0748 292.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#221740

#354017

Analogous

#172140

#371740

#221740

Triadic

#221740

#402217

#174022

Split Complementary

#221740

#403717

#214017

Tetradic

#221740

#401721

#354017

#174037

Color Blindness Simulation

Original

#221740

Protanopia

#1D1D36

Deuteranopia

#1E1F34

Tritanopia

#212E2D

Achromatopsia

#1C1C1C

CSS Usage

background-color: #221740;
color: #221740;
border-color: #221740;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F4FA
100
#EAE6F4
200
#D4CAEC
300
#B4A5DF
400
#8C74CD
500
#6443BC
600
#503696
700
#402B78
800
#32225E
900
#271C45
950
#19122C

Contrast Checker

Text on white

16.61:1

AA Pass AAA Pass

Text on black

1.26:1

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