#259EB1

#259EB1

Color Values

HEX

#259EB1

RGB

37, 158, 177

HSL

188.1, 65.4%, 42.0%

HSV

188.1, 79.1%, 69.4%

CMYK

79.1%, 10.7%, 0.0%, 30.6%

OKLCH

0.6445 0.1035 210.9

Properties

Cool Light Nearest: NCS S 1050-B20G Cyan

Color Harmonies

Complementary

#259EB1

#B13825

Analogous

#25B17E

#2558B1

#259EB1

Triadic

#259EB1

#B1259E

#9EB125

Split Complementary

#259EB1

#B12558

#B17E25

Tetradic

#259EB1

#7E25B1

#B13825

#58B125

Color Blindness Simulation

Original

#259EB1

Protanopia

#595AAC

Deuteranopia

#5249AB

Tritanopia

#2BA9A8

Achromatopsia

#868686

CSS Usage

background-color: #259EB1;
color: #259EB1;
border-color: #259EB1;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F3FAFC
100
#E3F4F7
200
#C4ECF3
300
#9ADFEA
400
#63CEDE
500
#2CBCD3
600
#2397A9
700
#1C7987
800
#165E69
900
#14454D
950
#0D2C31

Contrast Checker

Text on white

3.18:1

AA Fail AAA Fail

Text on black

6.6:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026