#101242

#101242

Color Values

HEX

#101242

RGB

16, 18, 66

HSL

237.6, 61.0%, 16.1%

HSV

237.6, 75.8%, 25.9%

CMYK

75.8%, 72.7%, 0.0%, 74.1%

OKLCH

0.2179 0.0888 274.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#101242

#424010

Analogous

#102B42

#271042

#101242

Triadic

#101242

#421012

#124210

Split Complementary

#101242

#422710

#2B4210

Tetradic

#101242

#42102B

#424010

#104227

Color Blindness Simulation

Original

#101242

Protanopia

#111136

Deuteranopia

#111134

Tritanopia

#102D2B

Achromatopsia

#151515

CSS Usage

background-color: #101242;
color: #101242;
border-color: #101242;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F4FB
100
#E4E5F6
200
#C6C7F1
300
#9C9FE7
400
#676CDA
500
#3238CD
600
#282DA4
700
#202483
800
#191C67
900
#16184B
950
#0E0F2F

Contrast Checker

Text on white

17.69:1

AA Pass AAA Pass

Text on black

1.19:1

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