#37506B

#37506B

Color Values

HEX

#37506B

RGB

55, 80, 107

HSL

211.2, 32.1%, 31.8%

HSV

211.2, 48.6%, 42.0%

CMYK

48.6%, 25.2%, 0.0%, 58.0%

OKLCH

0.423 0.0546 251.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#37506B

#6B5237

Analogous

#376A6B

#38376B

#37506B

Triadic

#37506B

#6B3750

#506B37

Split Complementary

#37506B

#6B3837

#6A6B37

Tetradic

#37506B

#6B376A

#6B5237

#376B38

Color Blindness Simulation

Original

#37506B

Protanopia

#424264

Deuteranopia

#403E63

Tritanopia

#385F5E

Achromatopsia

#4D4D4D

CSS Usage

background-color: #37506B;
color: #37506B;
border-color: #37506B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DBE7
300
#AEC1D5
400
#829FBF
500
#577EA8
600
#456587
700
#37516C
800
#2B3F54
900
#22303E
950
#161E27

Contrast Checker

Text on white

8.33:1

AA Pass AAA Pass

Text on black

2.52:1

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