#255FDA

#255FDA

Color Values

HEX

#255FDA

RGB

37, 95, 218

HSL

220.8, 71.0%, 50.0%

HSV

220.8, 83.0%, 85.5%

CMYK

83.0%, 56.4%, 0.0%, 14.5%

OKLCH

0.5244 0.1982 262.6

Properties

Cool Dark Nearest: royalblue

Color Harmonies

Complementary

#255FDA

#DAA025

Analogous

#25B9DA

#4625DA

#255FDA

Triadic

#255FDA

#DA255F

#5FDA25

Split Complementary

#255FDA

#DA4625

#B9DA25

Tetradic

#255FDA

#DA25B9

#DAA025

#25DA46

Color Blindness Simulation

Original

#255FDA

Protanopia

#3E3FBC

Deuteranopia

#3B36B5

Tritanopia

#28A5A0

Achromatopsia

#5C5C5C

CSS Usage

background-color: #255FDA;
color: #255FDA;
border-color: #255FDA;
Nearest Tailwind: Blue 600 #2563EB

Tailwind Shades

50
#F3F6FC
100
#E2E9F8
200
#C2D2F5
300
#96B2ED
400
#5E89E4
500
#255FDA
600
#1E4CAE
700
#183D8C
800
#122F6D
900
#11254F
950
#0B1832

Contrast Checker

Text on white

5.63:1

AA Pass AAA Fail

Text on black

3.73:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026