#12028B

#12028B

Color Values

HEX

#12028B

RGB

18, 2, 139

HSL

247.0, 97.2%, 27.6%

HSV

247.0, 98.6%, 54.5%

CMYK

87.1%, 98.6%, 0.0%, 45.5%

OKLCH

0.2959 0.1939 268.8

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#12028B

#7B8B02

Analogous

#02368B

#56028B

#12028B

Triadic

#12028B

#8B1202

#028B12

Split Complementary

#12028B

#8B5602

#368B02

Tetradic

#12028B

#8B0236

#7B8B02

#028B56

Color Blindness Simulation

Original

#12028B

Protanopia

#0B0B6A

Deuteranopia

#0C0D62

Tritanopia

#11504A

Achromatopsia

#0F0F0F

CSS Usage

background-color: #12028B;
color: #12028B;
border-color: #12028B;
Nearest Tailwind: Violet 900 #4C1D95

Tailwind Shades

50
#F3F1FE
100
#E2DEFC
200
#C1B9FE
300
#9486FD
400
#5A45FC
500
#2004FB
600
#1A03C9
700
#1502A1
800
#10027E
900
#10065B
950
#0A0439

Contrast Checker

Text on white

14.92:1

AA Pass AAA Pass

Text on black

1.41:1

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