#04237C

#04237C

Color Values

HEX

#04237C

RGB

4, 35, 124

HSL

224.5, 93.8%, 25.1%

HSV

224.5, 96.8%, 48.6%

CMYK

96.8%, 71.8%, 0.0%, 51.4%

OKLCH

0.3104 0.1535 263.8

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#04237C

#7C5D04

Analogous

#045F7C

#21047C

#04237C

Triadic

#04237C

#7C0423

#237C04

Split Complementary

#04237C

#7C2104

#5F7C04

Tetradic

#04237C

#7C045F

#7C5D04

#047C21

Color Blindness Simulation

Original

#04237C

Protanopia

#111266

Deuteranopia

#100D61

Tritanopia

#065552

Achromatopsia

#232323

CSS Usage

background-color: #04237C;
color: #04237C;
border-color: #04237C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F1F4FD
100
#DFE6FB
200
#BACBFD
300
#88A6FB
400
#4876F9
500
#0846F7
600
#0638C6
700
#052D9E
800
#04237C
900
#081D59
950
#051238

Contrast Checker

Text on white

13.67:1

AA Pass AAA Pass

Text on black

1.54:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026