#1C2579

#1C2579

Color Values

HEX

#1C2579

RGB

28, 37, 121

HSL

234.2, 62.4%, 29.2%

HSV

234.2, 76.9%, 47.5%

CMYK

76.9%, 69.4%, 0.0%, 52.5%

OKLCH

0.3202 0.1412 270.9

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1C2579

#79701C

Analogous

#1C5379

#411C79

#1C2579

Triadic

#1C2579

#791C25

#25791C

Split Complementary

#1C2579

#79411C

#53791C

Tetradic

#1C2579

#791C53

#79701C

#1C7941

Color Blindness Simulation

Original

#1C2579

Protanopia

#202065

Deuteranopia

#1F1F60

Tritanopia

#1C5551

Achromatopsia

#292929

CSS Usage

background-color: #1C2579;
color: #1C2579;
border-color: #1C2579;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F4FB
100
#E4E6F7
200
#C5C9F2
300
#9CA3E8
400
#6671DC
500
#303FCF
600
#2633A6
700
#1F2985
800
#182068
900
#151B4C
950
#0D1130

Contrast Checker

Text on white

13.21:1

AA Pass AAA Pass

Text on black

1.59:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026