#3773B8

#3773B8

Color Values

HEX

#3773B8

RGB

55, 115, 184

HSL

212.1, 54.0%, 46.9%

HSV

212.1, 70.1%, 72.2%

CMYK

70.1%, 37.5%, 0.0%, 27.8%

OKLCH

0.5494 0.1248 253.7

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3773B8

#B87C37

Analogous

#37B4B8

#3C37B8

#3773B8

Triadic

#3773B8

#B83773

#73B837

Split Complementary

#3773B8

#B83C37

#B4B837

Tetradic

#3773B8

#B837B4

#B87C37

#37B83C

Color Blindness Simulation

Original

#3773B8

Protanopia

#5152A7

Deuteranopia

#4E49A3

Tritanopia

#3A9A97

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3773B8;
color: #3773B8;
border-color: #3773B8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DAEF
300
#A1BFE3
400
#6E9DD4
500
#3B7BC4
600
#2F629D
700
#264F7E
800
#1D3D62
900
#192F48
950
#101E2D

Contrast Checker

Text on white

4.88:1

AA Pass AAA Fail

Text on black

4.31:1

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