#255DDA

#255DDA

Color Values

HEX

#255DDA

RGB

37, 93, 218

HSL

221.4, 71.0%, 50.0%

HSV

221.4, 83.0%, 85.5%

CMYK

83.0%, 57.3%, 0.0%, 14.5%

OKLCH

0.5204 0.2006 263.1

Properties

Cool Dark Nearest: royalblue

Color Harmonies

Complementary

#255DDA

#DAA225

Analogous

#25B8DA

#4725DA

#255DDA

Triadic

#255DDA

#DA255D

#5DDA25

Split Complementary

#255DDA

#DA4725

#B8DA25

Tetradic

#255DDA

#DA25B8

#DAA225

#25DA47

Color Blindness Simulation

Original

#255DDA

Protanopia

#3D3EBC

Deuteranopia

#3A36B4

Tritanopia

#28A49F

Achromatopsia

#5A5A5A

CSS Usage

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

Tailwind Shades

50
#F3F6FC
100
#E2E9F8
200
#C2D2F5
300
#96B1ED
400
#5E87E4
500
#255DDA
600
#1E4AAE
700
#183C8C
800
#122F6D
900
#11254F
950
#0B1732

Contrast Checker

Text on white

5.74:1

AA Pass AAA Fail

Text on black

3.66:1

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