#190B23

#190B23

Color Values

HEX

#190B23

RGB

25, 11, 35

HSL

275.0, 52.2%, 9.0%

HSV

275.0, 68.6%, 13.7%

CMYK

28.6%, 68.6%, 0.0%, 86.3%

OKLCH

0.184 0.0502 309.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#190B23

#15230B

Analogous

#0D0B23

#230B21

#190B23

Triadic

#190B23

#23190B

#0B2319

Split Complementary

#190B23

#21230B

#0B230D

Tetradic

#190B23

#230D0B

#15230B

#0B2123

Color Blindness Simulation

Original

#190B23

Protanopia

#13131D

Deuteranopia

#14151C

Tritanopia

#181918

Achromatopsia

#101010

CSS Usage

background-color: #190B23;
color: #190B23;
border-color: #190B23;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F4FB
100
#EEE5F5
200
#DEC9EE
300
#C7A2E2
400
#A96FD2
500
#8B3DC2
600
#6F319B
700
#59277C
800
#451E61
900
#341A47
950
#21102D

Contrast Checker

Text on white

18.86:1

AA Pass AAA Pass

Text on black

1.11:1

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