#010139

#010139

Color Values

HEX

#010139

RGB

1, 1, 57

HSL

240.0, 96.6%, 11.4%

HSV

240.0, 98.2%, 22.4%

CMYK

98.2%, 98.2%, 0.0%, 77.6%

OKLCH

0.1596 0.1053 265.7

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#010139

#393901

Analogous

#011D39

#1D0139

#010139

Triadic

#010139

#390101

#013901

Split Complementary

#010139

#391D01

#1D3901

Tetradic

#010139

#39011D

#393901

#01391D

Color Blindness Simulation

Original

#010139

Protanopia

#01012B

Deuteranopia

#010128

Tritanopia

#01211E

Achromatopsia

#050505

CSS Usage

background-color: #010139;
color: #010139;
border-color: #010139;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F1FE
100
#DEDEFC
200
#B9B9FE
300
#8787FD
400
#4646FC
500
#0404FB
600
#0303C9
700
#0303A0
800
#02027D
900
#06065B
950
#040439

Contrast Checker

Text on white

19.72:1

AA Pass AAA Pass

Text on black

1.06:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026