#371F5C

#371F5C

Color Values

HEX

#371F5C

RGB

55, 31, 92

HSL

263.6, 49.6%, 24.1%

HSV

263.6, 66.3%, 36.1%

CMYK

40.2%, 66.3%, 0.0%, 63.9%

OKLCH

0.3062 0.1046 298.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#371F5C

#445C1F

Analogous

#1F255C

#551F5C

#371F5C

Triadic

#371F5C

#5C371F

#1F5C37

Split Complementary

#371F5C

#5C551F

#255C1F

Tetradic

#371F5C

#5C1F25

#445C1F

#1F5C55

Color Blindness Simulation

Original

#371F5C

Protanopia

#2D2C4D

Deuteranopia

#2E304A

Tritanopia

#36423F

Achromatopsia

#292929

CSS Usage

background-color: #371F5C;
color: #371F5C;
border-color: #371F5C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#ECE6F5
200
#D8CAED
300
#BBA3E0
400
#9772CF
500
#7240BF
600
#5B3399
700
#49297A
800
#39205F
900
#2C1B46
950
#1C112C

Contrast Checker

Text on white

13.88:1

AA Pass AAA Pass

Text on black

1.51:1

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