#3F5188

#3F5188

Color Values

HEX

#3F5188

RGB

63, 81, 136

HSL

225.2, 36.7%, 39.0%

HSV

225.2, 53.7%, 53.3%

CMYK

53.7%, 40.4%, 0.0%, 46.7%

OKLCH

0.4469 0.0932 268.8

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#3F5188

#88763F

Analogous

#3F7588

#513F88

#3F5188

Triadic

#3F5188

#883F51

#51883F

Split Complementary

#3F5188

#88513F

#75883F

Tetradic

#3F5188

#883F75

#88763F

#3F8851

Color Blindness Simulation

Original

#3F5188

Protanopia

#47477B

Deuteranopia

#464477

Tritanopia

#40706E

Achromatopsia

#515151

CSS Usage

background-color: #3F5188;
color: #3F5188;
border-color: #3F5188;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F6FA
100
#E8EAF3
200
#CED5E8
300
#ABB6D8
400
#7E8FC3
500
#5168AE
600
#41538B
700
#344270
800
#283457
900
#202840
950
#141929

Contrast Checker

Text on white

7.65:1

AA Pass AAA Pass

Text on black

2.74:1

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