#3B5D8F

#3B5D8F

Color Values

HEX

#3B5D8F

RGB

59, 93, 143

HSL

215.7, 41.6%, 39.6%

HSV

215.7, 58.7%, 56.1%

CMYK

58.7%, 35.0%, 0.0%, 43.9%

OKLCH

0.4762 0.0906 257.9

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3B5D8F

#8F6D3B

Analogous

#3B878F

#433B8F

#3B5D8F

Triadic

#3B5D8F

#8F3B5D

#5D8F3B

Split Complementary

#3B5D8F

#8F433B

#878F3B

Tetradic

#3B5D8F

#8F3B87

#8F6D3B

#3B8F43

Color Blindness Simulation

Original

#3B5D8F

Protanopia

#4A4A83

Deuteranopia

#484580

Tritanopia

#3D7977

Achromatopsia

#595959

CSS Usage

background-color: #3B5D8F;
color: #3B5D8F;
border-color: #3B5D8F;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CCD8EA
300
#A8BDDB
400
#7999C8
500
#4A75B5
600
#3C5E90
700
#304B74
800
#253B5A
900
#1E2D43
950
#131C2A

Contrast Checker

Text on white

6.67:1

AA Pass AAA Fail

Text on black

3.15:1

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