#391D52

#391D52

Color Values

HEX

#391D52

RGB

57, 29, 82

HSL

271,7, 47,7%, 21,8%

HSV

271,7, 64,6%, 32,2%

CMYK

30,5%, 64,6%, 0,0%, 67,8%

OKLCH

0,2976 0,0949 305,8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#391D52

#36521D

Analogous

#1F1D52

#521D51

#391D52

Triadic

#391D52

#52391D

#1D5239

Split Complementary

#391D52

#51521D

#1D521F

Tetradic

#391D52

#521F1D

#36521D

#1D5152

Color Blindness Simulation

Original

#391D52

Protanopia

#2D2D45

Deuteranopia

#2E3142

Tritanopia

#383B39

Achromatopsia

#272727

CSS Usage

background-color: #391D52;
color: #391D52;
border-color: #391D52;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F4FA
100
#EEE6F4
200
#DCCAEC
300
#C3A5DF
400
#A374CE
500
#8343BC
600
#693597
700
#542B79
800
#41215E
900
#321C45
950
#1F112C

Contrast Checker

Text on white

14,27:1

AA Pass AAA Pass

Text on black

1,47:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026