#1259AC

#1259AC

Color Values

HEX

#1259AC

RGB

18, 89, 172

HSL

212,3, 81,1%, 37,3%

HSV

212,3, 89,5%, 67,5%

CMYK

89,5%, 48,3%, 0,0%, 32,5%

OKLCH

0,4713 0,1486 256,1

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#1259AC

#AC6512

Analogous

#12A6AC

#1812AC

#1259AC

Triadic

#1259AC

#AC1259

#59AC12

Split Complementary

#1259AC

#AC1812

#A6AC12

Tetradic

#1259AC

#AC12A6

#AC6512

#12AC18

Color Blindness Simulation

Original

#1259AC

Protanopia

#313198

Deuteranopia

#2D2793

Tritanopia

#168885

Achromatopsia

#505050

CSS Usage

background-color: #1259AC;
color: #1259AC;
border-color: #1259AC;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F7FD
100
#E1ECF9
200
#BED9F8
300
#90BEF3
400
#549BED
500
#1878E7
600
#1360B9
700
#0F4D94
800
#0C3C73
900
#0D2E54
950
#081D35

Contrast Checker

Text on white

6,88:1

AA Pass AAA Fail

Text on black

3,05:1

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