#1F1571

#1F1571

Color Values

HEX

#1F1571

RGB

31, 21, 113

HSL

246.5, 68.7%, 26.3%

HSV

246.5, 81.4%, 44.3%

CMYK

72.6%, 81.4%, 0.0%, 55.7%

OKLCH

0.2877 0.1474 276.6

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1F1571

#677115

Analogous

#153971

#4D1571

#1F1571

Triadic

#1F1571

#711F15

#15711F

Split Complementary

#1F1571

#714D15

#397115

Tetradic

#1F1571

#711539

#677115

#15714D

Color Blindness Simulation

Original

#1F1571

Protanopia

#1B1B5B

Deuteranopia

#1B1C55

Tritanopia

#1E4945

Achromatopsia

#1E1E1E

CSS Usage

background-color: #1F1571;
color: #1F1571;
border-color: #1F1571;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F4F3FC
100
#E5E3F8
200
#C8C3F4
300
#A198EC
400
#6E60E1
500
#3B28D7
600
#2F20AC
700
#261A8A
800
#1D146C
900
#19124E
950
#100C32

Contrast Checker

Text on white

14.96:1

AA Pass AAA Pass

Text on black

1.4:1

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