#28579C

#28579C

Color Values

HEX

#28579C

RGB

40, 87, 156

HSL

215.7, 59.2%, 38.4%

HSV

215.7, 74.4%, 61.2%

CMYK

74.4%, 44.2%, 0.0%, 38.8%

OKLCH

0.4615 0.1235 258.2

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#28579C

#9C6D28

Analogous

#28919C

#33289C

#28579C

Triadic

#28579C

#9C2857

#579C28

Split Complementary

#28579C

#9C3328

#919C28

Tetradic

#28579C

#9C2891

#9C6D28

#289C33

Color Blindness Simulation

Original

#28579C

Protanopia

#3C3D8B

Deuteranopia

#3A3687

Tritanopia

#2A7E7B

Achromatopsia

#525252

CSS Usage

background-color: #28579C;
color: #28579C;
border-color: #28579C;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E4EBF6
200
#C6D7F0
300
#9EBBE6
400
#6996D9
500
#3471CB
600
#2A5BA2
700
#214882
800
#1A3965
900
#172C4A
950
#0E1C2F

Contrast Checker

Text on white

7.16:1

AA Pass AAA Pass

Text on black

2.93:1

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