#100D30

#100D30

Color Values

HEX

#100D30

RGB

16, 13, 48

HSL

245.1, 57.4%, 12.0%

HSV

245.1, 72.9%, 18.8%

CMYK

66.7%, 72.9%, 0.0%, 81.2%

OKLCH

0.1886 0.0672 281.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#100D30

#2D300D

Analogous

#0D1C30

#220D30

#100D30

Triadic

#100D30

#30100D

#0D3010

Split Complementary

#100D30

#30220D

#1C300D

Tetradic

#100D30

#300D1C

#2D300D

#0D3022

Color Blindness Simulation

Original

#100D30

Protanopia

#0F0F28

Deuteranopia

#0F0F25

Tritanopia

#10211F

Achromatopsia

#101010

CSS Usage

background-color: #100D30;
color: #100D30;
border-color: #100D30;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E6E4F6
200
#CAC7F0
300
#A59FE5
400
#746AD7
500
#4336C9
600
#352BA1
700
#2B2380
800
#211B64
900
#1C1749
950
#110F2E

Contrast Checker

Text on white

18.71:1

AA Pass AAA Pass

Text on black

1.12:1

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