#2A57AF

#2A57AF

Color Values

HEX

#2A57AF

RGB

42, 87, 175

HSL

219.7, 61.3%, 42.5%

HSV

219.7, 76.0%, 68.6%

CMYK

76.0%, 50.3%, 0.0%, 31.4%

OKLCH

0.4758 0.1493 262.0

Properties

Cool Dark Nearest: NCS S 2060-B Deep Blue

Color Harmonies

Complementary

#2A57AF

#AF822A

Analogous

#2A99AF

#3F2AAF

#2A57AF

Triadic

#2A57AF

#AF2A57

#57AF2A

Split Complementary

#2A57AF

#AF3F2A

#99AF2A

Tetradic

#2A57AF

#AF2A99

#AF822A

#2AAF3F

Color Blindness Simulation

Original

#2A57AF

Protanopia

#3D3E9A

Deuteranopia

#3B3895

Tritanopia

#2C8985

Achromatopsia

#545454

CSS Usage

background-color: #2A57AF;
color: #2A57AF;
border-color: #2A57AF;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FB
100
#E4EAF6
200
#C5D4F1
300
#9CB6E7
400
#678EDA
500
#3166CE
600
#2752A5
700
#204184
800
#193367
900
#16284B
950
#0E192F

Contrast Checker

Text on white

6.82:1

AA Pass AAA Fail

Text on black

3.08:1

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