#0D1836

#0D1836

Color Values

HEX

#0D1836

RGB

13, 24, 54

HSL

223.9, 61.2%, 13.1%

HSV

223.9, 75.9%, 21.2%

CMYK

75.9%, 55.6%, 0.0%, 78.8%

OKLCH

0.2183 0.0607 266.3

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0D1836

#362B0D

Analogous

#0D2C36

#160D36

#0D1836

Triadic

#0D1836

#360D18

#18360D

Split Complementary

#0D1836

#36160D

#2C360D

Tetradic

#0D1836

#360D2C

#362B0D

#0D3616

Color Blindness Simulation

Original

#0D1836

Protanopia

#12122F

Deuteranopia

#11102D

Tritanopia

#0E2928

Achromatopsia

#181818

CSS Usage

background-color: #0D1836;
color: #0D1836;
border-color: #0D1836;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F3F6FB
100
#E4E9F6
200
#C5D1F1
300
#9CB0E7
400
#6786DA
500
#315BCE
600
#2849A4
700
#203A84
800
#192E67
900
#16244B
950
#0E172F

Contrast Checker

Text on white

17.48:1

AA Pass AAA Pass

Text on black

1.2:1

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