#3437BC

#3437BC

Color Values

HEX

#3437BC

RGB

52, 55, 188

HSL

238.7, 56.7%, 47.1%

HSV

238.7, 72.3%, 73.7%

CMYK

72.3%, 70.7%, 0.0%, 26.3%

OKLCH

0.4319 0.2021 273.1

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3437BC

#BCB934

Analogous

#347BBC

#7534BC

#3437BC

Triadic

#3437BC

#BC3437

#37BC34

Split Complementary

#3437BC

#BC7534

#7BBC34

Tetradic

#3437BC

#BC347B

#BCB934

#34BC75

Color Blindness Simulation

Original

#3437BC

Protanopia

#35359C

Deuteranopia

#353594

Tritanopia

#34827D

Achromatopsia

#404040

CSS Usage

background-color: #3437BC;
color: #3437BC;
border-color: #3437BC;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C8F0
300
#9FA1E5
400
#6B6DD6
500
#373AC8
600
#2C2FA0
700
#232580
800
#1C1D64
900
#181949
950
#0F102E

Contrast Checker

Text on white

8.68:1

AA Pass AAA Pass

Text on black

2.42:1

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