#1F2172

#1F2172

Color Values

HEX

#1F2172

RGB

31, 33, 114

HSL

238.6, 57.2%, 28.4%

HSV

238.6, 72.8%, 44.7%

CMYK

72.8%, 71.1%, 0.0%, 55.3%

OKLCH

0.3076 0.1355 274.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1F2172

#72701F

Analogous

#1F4A72

#461F72

#1F2172

Triadic

#1F2172

#721F21

#21721F

Split Complementary

#1F2172

#72461F

#4A721F

Tetradic

#1F2172

#721F4A

#72701F

#1F7246

Color Blindness Simulation

Original

#1F2172

Protanopia

#20205E

Deuteranopia

#20205A

Tritanopia

#1F4F4C

Achromatopsia

#262626

CSS Usage

background-color: #1F2172;
color: #1F2172;
border-color: #1F2172;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E4E5F6
200
#C7C8F0
300
#9FA0E5
400
#6B6DD7
500
#373AC8
600
#2C2EA0
700
#232580
800
#1B1D64
900
#181949
950
#0F102E

Contrast Checker

Text on white

13.83:1

AA Pass AAA Pass

Text on black

1.52:1

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