#031109

#031109

Color Values

HEX

#031109

RGB

3, 17, 9

HSL

145.7, 70.0%, 3.9%

HSV

145.7, 82.4%, 6.7%

CMYK

82.4%, 0.0%, 47.1%, 93.3%

OKLCH

0.1605 0.0282 159.5

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#031109

#11030B

Analogous

#041103

#031110

#031109

Triadic

#031109

#090311

#110903

Split Complementary

#031109

#100311

#110304

Tetradic

#031109

#030411

#11030B

#111003

Color Blindness Simulation

Original

#031109

Protanopia

#09090B

Deuteranopia

#08070B

Tritanopia

#040C0D

Achromatopsia

#0D0D0D

CSS Usage

background-color: #031109;
color: #031109;
border-color: #031109;
Nearest Tailwind: Neutral 950 #0A0A0A

Tailwind Shades

50
#F3FCF7
100
#E3F8EC
200
#C2F4D8
300
#97EDBC
400
#5FE397
500
#26D973
600
#1FAD5C
700
#188B49
800
#136C39
900
#124F2C
950
#0B321C

Contrast Checker

Text on white

19.3:1

AA Pass AAA Pass

Text on black

1.09:1

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