#1F1027

#1F1027

Color Values

HEX

#1F1027

RGB

31, 16, 39

HSL

279.1, 41.8%, 10.8%

HSV

279.1, 59.0%, 15.3%

CMYK

20.5%, 59.0%, 0.0%, 84.7%

OKLCH

0.2062 0.0485 312.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1F1027

#182710

Analogous

#141027

#271024

#1F1027

Triadic

#1F1027

#271F10

#10271F

Split Complementary

#1F1027

#242710

#102714

Tetradic

#1F1027

#271410

#182710

#102427

Color Blindness Simulation

Original

#1F1027

Protanopia

#191821

Deuteranopia

#191A20

Tritanopia

#1E1D1C

Achromatopsia

#151515

CSS Usage

background-color: #1F1027;
color: #1F1027;
border-color: #1F1027;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F5FA
100
#EFE7F3
200
#E0CCEA
300
#CAA8DB
400
#AD79C8
500
#904AB5
600
#733B91
700
#5C2F74
800
#48255A
900
#361E43
950
#22132A

Contrast Checker

Text on white

18.08:1

AA Pass AAA Pass

Text on black

1.16:1

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