#0D1F39

#0D1F39

Color Values

HEX

#0D1F39

RGB

13, 31, 57

HSL

215.5, 62.9%, 13.7%

HSV

215.5, 77.2%, 22.4%

CMYK

77.2%, 45.6%, 0.0%, 77.6%

OKLCH

0.2396 0.0555 257.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0D1F39

#39270D

Analogous

#0D3539

#110D39

#0D1F39

Triadic

#0D1F39

#390D1F

#1F390D

Split Complementary

#0D1F39

#39110D

#35390D

Tetradic

#0D1F39

#390D35

#39270D

#0D3911

Color Blindness Simulation

Original

#0D1F39

Protanopia

#151533

Deuteranopia

#141231

Tritanopia

#0E2E2D

Achromatopsia

#1D1D1D

CSS Usage

background-color: #0D1F39;
color: #0D1F39;
border-color: #0D1F39;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F3F7FB
100
#E4EBF7
200
#C5D7F2
300
#9BBBE8
400
#6596DC
500
#2F71D0
600
#265AA6
700
#1E4885
800
#183868
900
#152B4C
950
#0D1B30

Contrast Checker

Text on white

16.51:1

AA Pass AAA Pass

Text on black

1.27:1

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