#120D37

#120D37

Color Values

HEX

#120D37

RGB

18, 13, 55

HSL

247.1, 61.8%, 13.3%

HSV

247.1, 76.4%, 21.6%

CMYK

67.3%, 76.4%, 0.0%, 78.4%

OKLCH

0.1979 0.0782 281.9

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#120D37

#32370D

Analogous

#0D1D37

#270D37

#120D37

Triadic

#120D37

#37120D

#0D3712

Split Complementary

#120D37

#37270D

#1D370D

Tetradic

#120D37

#370D1D

#32370D

#0D3727

Color Blindness Simulation

Original

#120D37

Protanopia

#10102D

Deuteranopia

#10102A

Tritanopia

#122523

Achromatopsia

#111111

CSS Usage

background-color: #120D37;
color: #120D37;
border-color: #120D37;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F3FB
100
#E6E4F7
200
#CAC5F1
300
#A59CE8
400
#7466DB
500
#4331CE
600
#3627A5
700
#2B1F84
800
#221867
900
#1C164B
950
#120E30

Contrast Checker

Text on white

18.45:1

AA Pass AAA Pass

Text on black

1.14:1

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