#231F62

#231F62

Color Values

HEX

#231F62

RGB

35, 31, 98

HSL

243.6, 51.9%, 25.3%

HSV

243.6, 68.4%, 38.4%

CMYK

64.3%, 68.4%, 0.0%, 61.6%

OKLCH

0.291 0.1142 279.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#231F62

#5E621F

Analogous

#1F3C62

#451F62

#231F62

Triadic

#231F62

#62231F

#1F6223

Split Complementary

#231F62

#62451F

#3C621F

Tetradic

#231F62

#621F3C

#5E621F

#1F6245

Color Blindness Simulation

Original

#231F62

Protanopia

#212152

Deuteranopia

#22224E

Tritanopia

#234542

Achromatopsia

#252525

CSS Usage

background-color: #231F62;
color: #231F62;
border-color: #231F62;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC9EE
300
#A6A2E2
400
#7670D2
500
#453DC2
600
#37319B
700
#2C277C
800
#231F61
900
#1D1A47
950
#12102D

Contrast Checker

Text on white

14.54:1

AA Pass AAA Pass

Text on black

1.44:1

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