#557BBA

#557BBA

Color Values

HEX

#557BBA

RGB

85, 123, 186

HSL

217,4, 42,3%, 53,1%

HSV

217,4, 54,3%, 72,9%

CMYK

54,3%, 33,9%, 0,0%, 27,1%

OKLCH

0,5827 0,1066 260,1

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#557BBA

#BA9455

Analogous

#55AEBA

#6155BA

#557BBA

Triadic

#557BBA

#BA557B

#7BBA55

Split Complementary

#557BBA

#BA6155

#AEBA55

Tetradic

#557BBA

#BA55AE

#BA9455

#55BA61

Color Blindness Simulation

Original

#557BBA

Protanopia

#6566AB

Deuteranopia

#6360A7

Tritanopia

#579F9C

Achromatopsia

#777777

CSS Usage

background-color: #557BBA;
color: #557BBA;
border-color: #557BBA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F5F7FA
100
#E7ECF4
200
#CCD8EA
300
#A8BBDC
400
#7997C9
500
#4A72B5
600
#3B5B91
700
#2F4974
800
#25395B
900
#1E2C43
950
#131C2A

Contrast Checker

Text on white

4,26:1

AA Fail AAA Fail

Text on black

4,93:1

AA Pass 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