#121A63

#121A63

Color Values

HEX

#121A63

RGB

18, 26, 99

HSL

234.1, 69.2%, 22.9%

HSV

234.1, 81.8%, 38.8%

CMYK

81.8%, 73.7%, 0.0%, 61.2%

OKLCH

0.2709 0.1267 270.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#121A63

#635B12

Analogous

#124263

#321263

#121A63

Triadic

#121A63

#63121A

#1A6312

Split Complementary

#121A63

#633212

#426312

Tetradic

#121A63

#631242

#635B12

#126332

Color Blindness Simulation

Original

#121A63

Protanopia

#151651

Deuteranopia

#15144D

Tritanopia

#124340

Achromatopsia

#1E1E1E

CSS Usage

background-color: #121A63;
color: #121A63;
border-color: #121A63;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F3F4FC
100
#E3E5F8
200
#C3C7F4
300
#97A0EC
400
#5F6CE2
500
#2739D8
600
#1F2DAD
700
#19248A
800
#141C6C
900
#12184F
950
#0C0F32

Contrast Checker

Text on white

15.51:1

AA Pass AAA Pass

Text on black

1.35:1

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