#257682

#257682

Color Values

HEX

#257682

RGB

37, 118, 130

HSL

187.7, 55.7%, 32.7%

HSV

187.7, 71.5%, 51.0%

CMYK

71.5%, 9.2%, 0.0%, 49.0%

OKLCH

0.5232 0.0778 209.2

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#257682

#823125

Analogous

#25825F

#254782

#257682

Triadic

#257682

#822576

#768225

Split Complementary

#257682

#822547

#825F25

Tetradic

#257682

#5F2582

#823125

#478225

Color Blindness Simulation

Original

#257682

Protanopia

#48497F

Deuteranopia

#433D7E

Tritanopia

#297D7C

Achromatopsia

#666666

CSS Usage

background-color: #257682;
color: #257682;
border-color: #257682;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4FAFB
100
#E5F3F6
200
#C7EAEF
300
#A0DBE4
400
#6CC8D5
500
#38B4C7
600
#2D909F
700
#24737F
800
#1C5A63
900
#184349
950
#0F2A2E

Contrast Checker

Text on white

5.26:1

AA Pass AAA Fail

Text on black

3.99:1

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