#010031

#010031

Color Values

HEX

#010031

RGB

1, 0, 49

HSL

241.2, 100.0%, 9.6%

HSV

241.2, 100.0%, 19.2%

CMYK

98.0%, 100.0%, 0.0%, 80.8%

OKLCH

0.1429 0.097 266.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#010031

#303100

Analogous

#001831

#190031

#010031

Triadic

#010031

#310100

#003101

Split Complementary

#010031

#311900

#183100

Tetradic

#010031

#310018

#303100

#003119

Color Blindness Simulation

Original

#010031

Protanopia

#010125

Deuteranopia

#010122

Tritanopia

#011C1A

Achromatopsia

#040404

CSS Usage

background-color: #010031;
color: #010031;
border-color: #010031;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F1FE
100
#DFDEFC
200
#B9B8FF
300
#8785FF
400
#4642FF
500
#0500FF
600
#0400CC
700
#0300A3
800
#030080
900
#07055C
950
#04033A

Contrast Checker

Text on white

20.08:1

AA Pass AAA Pass

Text on black

1.05:1

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