#12497D

#12497D

Color Values

HEX

#12497D

RGB

18, 73, 125

HSL

209.2, 74.8%, 28.0%

HSV

209.2, 85.6%, 49.0%

CMYK

85.6%, 41.6%, 0.0%, 51.0%

OKLCH

0.3997 0.1037 251.4

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#12497D

#7D4612

Analogous

#127D7B

#12137D

#12497D

Triadic

#12497D

#7D1249

#497D12

Split Complementary

#12497D

#7D1213

#7D7B12

Tetradic

#12497D

#7B127D

#7D4612

#137D12

Color Blindness Simulation

Original

#12497D

Protanopia

#2A2A70

Deuteranopia

#27226D

Tritanopia

#156664

Achromatopsia

#414141

CSS Usage

background-color: #12497D;
color: #12497D;
border-color: #12497D;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F2F7FC
100
#E2EDF8
200
#C1DCF6
300
#94C3F0
400
#5AA3E7
500
#2082DF
600
#1A68B2
700
#15538F
800
#10416F
900
#103151
950
#0A1F33

Contrast Checker

Text on white

9.23:1

AA Pass AAA Pass

Text on black

2.27:1

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