#045AB1

#045AB1

Color Values

HEX

#045AB1

RGB

4, 90, 177

HSL

210,2, 95,6%, 35,5%

HSV

210,2, 97,7%, 69,4%

CMYK

97,7%, 49,2%, 0,0%, 30,6%

OKLCH

0,4754 0,156 255,3

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#045AB1

#B15B04

Analogous

#04B0B1

#0504B1

#045AB1

Triadic

#045AB1

#B1045A

#5AB104

Split Complementary

#045AB1

#B10504

#B0B104

Tetradic

#045AB1

#B104B0

#B15B04

#04B105

Color Blindness Simulation

Original

#045AB1

Protanopia

#292A9C

Deuteranopia

#241E97

Tritanopia

#088B88

Achromatopsia

#4E4E4E

CSS Usage

background-color: #045AB1;
color: #045AB1;
border-color: #045AB1;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F7FE
100
#DFEDFC
200
#B9DBFD
300
#87C1FC
400
#46A0FB
500
#067FF9
600
#0465C8
700
#0451A0
800
#033F7D
900
#07305A
950
#041E39

Contrast Checker

Text on white

6,77:1

AA Pass AAA Fail

Text on black

3,1:1

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