#301F61

#301F61

Color Values

HEX

#301F61

RGB

48, 31, 97

HSL

255.5, 51.6%, 25.1%

HSV

255.5, 68.0%, 38.0%

CMYK

50.5%, 68.0%, 0.0%, 62.0%

OKLCH

0.3025 0.1111 290.0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#301F61

#50611F

Analogous

#1F2F61

#511F61

#301F61

Triadic

#301F61

#61301F

#1F6130

Split Complementary

#301F61

#61511F

#2F611F

Tetradic

#301F61

#611F2F

#50611F

#1F6151

Color Blindness Simulation

Original

#301F61

Protanopia

#292851

Deuteranopia

#2A2B4D

Tritanopia

#2F4442

Achromatopsia

#272727

CSS Usage

background-color: #301F61;
color: #301F61;
border-color: #301F61;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F6F4FB
100
#E9E5F5
200
#D2C9EE
300
#B3A2E1
400
#8970D1
500
#603EC1
600
#4D319B
700
#3D277C
800
#301F61
900
#261A47
950
#18102D

Contrast Checker

Text on white

14.05:1

AA Pass AAA Pass

Text on black

1.49:1

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