#255AB0

#255AB0

Color Values

HEX

#255AB0

RGB

37, 90, 176

HSL

217,1, 65,3%, 41,8%

HSV

217,1, 79,0%, 69,0%

CMYK

79,0%, 48,9%, 0,0%, 31,0%

OKLCH

0,4813 0,1485 259,8

Properties

Cool Dark Nearest: NCS S 2060-B Deep Blue

Color Harmonies

Complementary

#255AB0

#B07B25

Analogous

#25A0B0

#3525B0

#255AB0

Triadic

#255AB0

#B0255A

#5AB025

Split Complementary

#255AB0

#B03525

#A0B025

Tetradic

#255AB0

#B025A0

#B07B25

#25B035

Color Blindness Simulation

Original

#255AB0

Protanopia

#3C3C9B

Deuteranopia

#393596

Tritanopia

#288B87

Achromatopsia

#555555

CSS Usage

background-color: #255AB0;
color: #255AB0;
border-color: #255AB0;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FC
100
#E3EBF7
200
#C4D6F3
300
#9AB8EA
400
#6392DE
500
#2C6CD3
600
#2356A9
700
#1C4587
800
#163669
900
#142A4D
950
#0D1A31

Contrast Checker

Text on white

6,63:1

AA Pass AAA Fail

Text on black

3,17:1

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