#0D0227

#0D0227

Color Values

HEX

#0D0227

RGB

13, 2, 39

HSL

257.8, 90.2%, 8.0%

HSV

257.8, 94.9%, 15.3%

CMYK

66.7%, 94.9%, 0.0%, 84.7%

OKLCH

0.1493 0.0744 290.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0D0227

#1C2702

Analogous

#020927

#1F0227

#0D0227

Triadic

#0D0227

#270D02

#02270D

Split Complementary

#0D0227

#271F02

#092702

Tetradic

#0D0227

#270209

#1C2702

#02271F

Color Blindness Simulation

Original

#0D0227

Protanopia

#08081E

Deuteranopia

#090A1C

Tritanopia

#0C1715

Achromatopsia

#070707

CSS Usage

background-color: #0D0227;
color: #0D0227;
border-color: #0D0227;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F1FD
100
#E8DFFB
200
#CEBBFC
300
#AB8BF9
400
#7E4CF6
500
#510CF3
600
#410AC2
700
#34089B
800
#280679
900
#200958
950
#140637

Contrast Checker

Text on white

19.9:1

AA Pass AAA Pass

Text on black

1.06:1

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