#4070BB

#4070BB

Color Values

HEX

#4070BB

RGB

64, 112, 187

HSL

216.6, 49.0%, 49.2%

HSV

216.6, 65.8%, 73.3%

CMYK

65.8%, 40.1%, 0.0%, 26.7%

OKLCH

0.5482 0.1287 259.0

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#4070BB

#BB8B40

Analogous

#40ADBB

#4E40BB

#4070BB

Triadic

#4070BB

#BB4070

#70BB40

Split Complementary

#4070BB

#BB4E40

#ADBB40

Tetradic

#4070BB

#BB40AD

#BB8B40

#40BB4E

Color Blindness Simulation

Original

#4070BB

Protanopia

#5555A9

Deuteranopia

#524EA4

Tritanopia

#429B97

Achromatopsia

#6B6B6B

CSS Usage

background-color: #4070BB;
color: #4070BB;
border-color: #4070BB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6ECF5
200
#CAD7ED
300
#A4BBE0
400
#7296CF
500
#4172BE
600
#345B98
700
#2A497A
800
#21395F
900
#1B2C46
950
#111C2C

Contrast Checker

Text on white

4.94:1

AA Pass AAA Fail

Text on black

4.25:1

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