#256CBE

#256CBE

Color Values

HEX

#256CBE

RGB

37, 108, 190

HSL

212.2, 67.4%, 44.5%

HSV

212.2, 80.5%, 74.5%

CMYK

80.5%, 43.2%, 0.0%, 25.5%

OKLCH

0.5313 0.1461 254.8

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#256CBE

#BE7725

Analogous

#25B8BE

#2B25BE

#256CBE

Triadic

#256CBE

#BE256C

#6CBE25

Split Complementary

#256CBE

#BE2B25

#B8BE25

Tetradic

#256CBE

#BE25B8

#BE7725

#25BE2B

Color Blindness Simulation

Original

#256CBE

Protanopia

#4444AA

Deuteranopia

#403AA5

Tritanopia

#299A97

Achromatopsia

#636363

CSS Usage

background-color: #256CBE;
color: #256CBE;
border-color: #256CBE;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3ECF7
200
#C3DAF3
300
#99BFEB
400
#619CE0
500
#2A79D5
600
#2161AB
700
#1B4E89
800
#153D6B
900
#132E4E
950
#0C1D31

Contrast Checker

Text on white

5.29:1

AA Pass AAA Fail

Text on black

3.97:1

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