#1F2283

#1F2283

Color Values

HEX

#1F2283

RGB

31, 34, 131

HSL

238.2, 61.7%, 31.8%

HSV

238.2, 76.3%, 51.4%

CMYK

76.3%, 74.0%, 0.0%, 48.6%

OKLCH

0.3273 0.1573 272.3

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1F2283

#83801F

Analogous

#1F5483

#4E1F83

#1F2283

Triadic

#1F2283

#831F22

#22831F

Split Complementary

#1F2283

#834E1F

#54831F

Tetradic

#1F2283

#831F54

#83801F

#1F834E

Color Blindness Simulation

Original

#1F2283

Protanopia

#20206C

Deuteranopia

#202066

Tritanopia

#1F5955

Achromatopsia

#282828

CSS Usage

background-color: #1F2283;
color: #1F2283;
border-color: #1F2283;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F4FB
100
#E4E4F7
200
#C5C7F1
300
#9C9EE8
400
#666ADB
500
#3136CE
600
#272BA5
700
#1F2284
800
#181B67
900
#16174B
950
#0E0F30

Contrast Checker

Text on white

13.0:1

AA Pass AAA Pass

Text on black

1.61:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026