#1F0023

#1F0023

Color Values

HEX

#1F0023

RGB

31, 0, 35

HSL

293.1, 100.0%, 6.9%

HSV

293.1, 100.0%, 13.7%

CMYK

11.4%, 100.0%, 0.0%, 86.3%

OKLCH

0.1714 0.0808 323.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#1F0023

#042300

Analogous

#0E0023

#230016

#1F0023

Triadic

#1F0023

#231F00

#00231F

Split Complementary

#1F0023

#162300

#00230E

Tetradic

#1F0023

#230E00

#042300

#001623

Color Blindness Simulation

Original

#1F0023

Protanopia

#12111B

Deuteranopia

#131618

Tritanopia

#1D1412

Achromatopsia

#090909

CSS Usage

background-color: #1F0023;
color: #1F0023;
border-color: #1F0023;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#FCF1FE
100
#F9DEFC
200
#F7B8FF
300
#F185FF
400
#E942FF
500
#E200FF
600
#B500CC
700
#9000A3
800
#710080
900
#52055C
950
#34033A

Contrast Checker

Text on white

19.4:1

AA Pass AAA Pass

Text on black

1.08:1

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