#0F1131

#0F1131

Color Values

HEX

#0F1131

RGB

15, 17, 49

HSL

236.5, 53.1%, 12.5%

HSV

236.5, 69.4%, 19.2%

CMYK

69.4%, 65.3%, 0.0%, 80.8%

OKLCH

0.1978 0.0625 276.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0F1131

#312F0F

Analogous

#0F2231

#1E0F31

#0F1131

Triadic

#0F1131

#310F11

#11310F

Split Complementary

#0F1131

#311E0F

#22310F

Tetradic

#0F1131

#310F22

#312F0F

#0F311E

Color Blindness Simulation

Original

#0F1131

Protanopia

#101029

Deuteranopia

#101027

Tritanopia

#0F2322

Achromatopsia

#131313

CSS Usage

background-color: #0F1131;
color: #0F1131;
border-color: #0F1131;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C8CBEE
300
#A1A5E2
400
#6F74D3
500
#3C44C3
600
#30369C
700
#262B7D
800
#1E2262
900
#191C48
950
#10122D

Contrast Checker

Text on white

18.34:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026