#373775

#373775

Color Values

HEX

#373775

RGB

55, 55, 117

HSL

240.0, 36.0%, 33.7%

HSV

240.0, 53.0%, 45.9%

CMYK

53.0%, 53.0%, 0.0%, 54.1%

OKLCH

0.3715 0.1036 280.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#373775

#757537

Analogous

#375675

#563775

#373775

Triadic

#373775

#753737

#377537

Split Complementary

#373775

#755637

#567537

Tetradic

#373775

#753756

#757537

#377556

Color Blindness Simulation

Original

#373775

Protanopia

#373766

Deuteranopia

#373762

Tritanopia

#375A58

Achromatopsia

#3B3B3B

CSS Usage

background-color: #373775;
color: #373775;
border-color: #373775;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CECEE8
300
#ACACD8
400
#7F7FC3
500
#5252AD
600
#41418B
700
#34346F
800
#292957
900
#212140
950
#151529

Contrast Checker

Text on white

10.68:1

AA Pass AAA Pass

Text on black

1.97:1

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