#375781

#375781

Color Values

HEX

#375781

RGB

55, 87, 129

HSL

214.1, 40.2%, 36.1%

HSV

214.1, 57.4%, 50.6%

CMYK

57.4%, 32.6%, 0.0%, 49.4%

OKLCH

0.4518 0.079 255.7

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#375781

#816137

Analogous

#377C81

#3C3781

#375781

Triadic

#375781

#813757

#578137

Split Complementary

#375781

#813C37

#7C8137

Tetradic

#375781

#81377C

#816137

#37813C

Color Blindness Simulation

Original

#375781

Protanopia

#454577

Deuteranopia

#434174

Tritanopia

#396F6D

Achromatopsia

#535353

CSS Usage

background-color: #375781;
color: #375781;
border-color: #375781;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDD9EA
300
#A9BEDA
400
#7B9BC7
500
#4C78B3
600
#3D608F
700
#314D72
800
#263C59
900
#1F2E42
950
#141D2A

Contrast Checker

Text on white

7.39:1

AA Pass AAA Pass

Text on black

2.84:1

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