#3738D3

#3738D3

Color Values

HEX

#3738D3

RGB

55, 56, 211

HSL

239.6, 63.9%, 52.2%

HSV

239.6, 73.9%, 82.7%

CMYK

73.9%, 73.5%, 0.0%, 17.3%

OKLCH

0.4582 0.2282 272.5

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3738D3

#D3D237

Analogous

#3786D3

#8437D3

#3738D3

Triadic

#3738D3

#D33738

#38D337

Split Complementary

#3738D3

#D38437

#86D337

Tetradic

#3738D3

#D33786

#D3D237

#37D384

Color Blindness Simulation

Original

#3738D3

Protanopia

#3737AE

Deuteranopia

#3737A4

Tritanopia

#379089

Achromatopsia

#434343

CSS Usage

background-color: #3738D3;
color: #3738D3;
border-color: #3738D3;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E4F7
200
#C4C5F2
300
#9B9BE9
400
#6465DD
500
#2E2FD1
600
#2526A7
700
#1D1E86
800
#171868
900
#15154C
950
#0D0D30

Contrast Checker

Text on white

7.87:1

AA Pass AAA Pass

Text on black

2.67:1

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