#255A9C

#255A9C

Color Values

HEX

#255A9C

RGB

37, 90, 156

HSL

213.3, 61.7%, 37.8%

HSV

213.3, 76.3%, 61.2%

CMYK

76.3%, 42.3%, 0.0%, 38.8%

OKLCH

0.4673 0.121 255.6

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#255A9C

#9C6725

Analogous

#25959C

#2B259C

#255A9C

Triadic

#255A9C

#9C255A

#5A9C25

Split Complementary

#255A9C

#9C2B25

#959C25

Tetradic

#255A9C

#9C2595

#9C6725

#259C2B

Color Blindness Simulation

Original

#255A9C

Protanopia

#3C3C8C

Deuteranopia

#393588

Tritanopia

#287F7D

Achromatopsia

#535353

CSS Usage

background-color: #255A9C;
color: #255A9C;
border-color: #255A9C;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FB
100
#E4ECF7
200
#C5D9F1
300
#9CBEE8
400
#669ADB
500
#3177CE
600
#275FA5
700
#1F4C84
800
#183B67
900
#162D4B
950
#0E1D30

Contrast Checker

Text on white

6.95:1

AA Pass AAA Fail

Text on black

3.02:1

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