#301F3F

#301F3F

Color Values

HEX

#301F3F

RGB

48, 31, 63

HSL

271.9, 34.0%, 18.4%

HSV

271.9, 50.8%, 24.7%

CMYK

23.8%, 50.8%, 0.0%, 75.3%

OKLCH

0.2764 0.0609 307.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#301F3F

#2E3F1F

Analogous

#201F3F

#3F1F3E

#301F3F

Triadic

#301F3F

#3F301F

#1F3F30

Split Complementary

#301F3F

#3E3F1F

#1F3F20

Tetradic

#301F3F

#3F201F

#2E3F1F

#1F3E3F

Color Blindness Simulation

Original

#301F3F

Protanopia

#292837

Deuteranopia

#2A2B35

Tritanopia

#2F3130

Achromatopsia

#252525

CSS Usage

background-color: #301F3F;
color: #301F3F;
border-color: #301F3F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F5FA
100
#EDE8F2
200
#DCCFE7
300
#C3ADD7
400
#A381C1
500
#8254AB
600
#684389
700
#53366D
800
#412A55
900
#31223F
950
#1F1528

Contrast Checker

Text on white

15.07:1

AA Pass AAA Pass

Text on black

1.39:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026