#2A51AF

#2A51AF

Color Values

HEX

#2A51AF

RGB

42, 81, 175

HSL

222.4, 61.3%, 42.5%

HSV

222.4, 76.0%, 68.6%

CMYK

76.0%, 53.7%, 0.0%, 31.4%

OKLCH

0.463 0.1568 264.2

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#2A51AF

#AF882A

Analogous

#2A93AF

#452AAF

#2A51AF

Triadic

#2A51AF

#AF2A51

#51AF2A

Split Complementary

#2A51AF

#AF452A

#93AF2A

Tetradic

#2A51AF

#AF2A93

#AF882A

#2AAF45

Color Blindness Simulation

Original

#2A51AF

Protanopia

#3B3B98

Deuteranopia

#393693

Tritanopia

#2C8682

Achromatopsia

#4F4F4F

CSS Usage

background-color: #2A51AF;
color: #2A51AF;
border-color: #2A51AF;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FB
100
#E4E9F6
200
#C5D2F1
300
#9CB2E7
400
#6789DA
500
#315FCE
600
#274CA5
700
#203D84
800
#193067
900
#16254B
950
#0E182F

Contrast Checker

Text on white

7.26:1

AA Pass AAA Pass

Text on black

2.89:1

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