#0B0F2C

#0B0F2C

Color Values

HEX

#0B0F2C

RGB

11, 15, 44

HSL

232.7, 60.0%, 10.8%

HSV

232.7, 75.0%, 17.3%

CMYK

75.0%, 65.9%, 0.0%, 82.7%

OKLCH

0.1848 0.0583 273.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0B0F2C

#2C280B

Analogous

#0B202C

#180B2C

#0B0F2C

Triadic

#0B0F2C

#2C0B0F

#0F2C0B

Split Complementary

#0B0F2C

#2C180B

#202C0B

Tetradic

#0B0F2C

#2C0B20

#2C280B

#0B2C18

Color Blindness Simulation

Original

#0B0F2C

Protanopia

#0D0D25

Deuteranopia

#0C0C23

Tritanopia

#0B1F1E

Achromatopsia

#101010

CSS Usage

background-color: #0B0F2C;
color: #0B0F2C;
border-color: #0B0F2C;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F3F4FB
100
#E4E6F6
200
#C6CBF1
300
#9DA6E7
400
#6876D9
500
#3346CC
600
#2938A3
700
#212D83
800
#1A2366
900
#161D4B
950
#0E122F

Contrast Checker

Text on white

18.77:1

AA Pass AAA Pass

Text on black

1.12:1

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