#120027

#120027

Color Values

HEX

#120027

RGB

18, 0, 39

HSL

267.7, 100.0%, 7.6%

HSV

267.7, 100.0%, 15.3%

CMYK

53.8%, 100.0%, 0.0%, 84.7%

OKLCH

0.1511 0.0805 300.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#120027

#152700

Analogous

#000127

#250027

#120027

Triadic

#120027

#271200

#002712

Split Complementary

#120027

#272500

#012700

Tetradic

#120027

#270001

#152700

#002725

Color Blindness Simulation

Original

#120027

Protanopia

#0A0A1E

Deuteranopia

#0B0D1B

Tritanopia

#111614

Achromatopsia

#070707

CSS Usage

background-color: #120027;
color: #120027;
border-color: #120027;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F1FE
100
#ECDEFC
200
#D9B8FF
300
#BD85FF
400
#9942FF
500
#7600FF
600
#5E00CC
700
#4B00A3
800
#3B0080
900
#2D055C
950
#1C033A

Contrast Checker

Text on white

19.9:1

AA Pass AAA Pass

Text on black

1.06:1

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