#0C0C2D

#0C0C2D

Color Values

HEX

#0C0C2D

RGB

12, 12, 45

HSL

240.0, 57.9%, 11.2%

HSV

240.0, 73.3%, 17.6%

CMYK

73.3%, 73.3%, 0.0%, 82.4%

OKLCH

0.1795 0.0647 277.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0C0C2D

#2D2D0C

Analogous

#0C1D2D

#1D0C2D

#0C0C2D

Triadic

#0C0C2D

#2D0C0C

#0C2D0C

Split Complementary

#0C0C2D

#2D1D0C

#1D2D0C

Tetradic

#0C0C2D

#2D0C1D

#2D2D0C

#0C2D1D

Color Blindness Simulation

Original

#0C0C2D

Protanopia

#0C0C25

Deuteranopia

#0C0C23

Tritanopia

#0C1F1D

Achromatopsia

#0E0E0E

CSS Usage

background-color: #0C0C2D;
color: #0C0C2D;
border-color: #0C0C2D;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F4FB
100
#E4E4F6
200
#C7C7F0
300
#9E9EE5
400
#6A6AD7
500
#3636C9
600
#2B2BA1
700
#222281
800
#1B1B65
900
#17174A
950
#0F0F2F

Contrast Checker

Text on white

18.99:1

AA Pass AAA Pass

Text on black

1.11:1

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