#0F243A

#0F243A

Color Values

HEX

#0F243A

RGB

15, 36, 58

HSL

210.7, 58.9%, 14.3%

HSV

210.7, 74.1%, 22.7%

CMYK

74.1%, 37.9%, 0.0%, 77.3%

OKLCH

0.2552 0.0498 251.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#0F243A

#3A250F

Analogous

#0F393A

#0F0F3A

#0F243A

Triadic

#0F243A

#3A0F24

#243A0F

Split Complementary

#0F243A

#3A0F0F

#393A0F

Tetradic

#0F243A

#3A0F39

#3A250F

#0F3A0F

Color Blindness Simulation

Original

#0F243A

Protanopia

#181835

Deuteranopia

#171533

Tritanopia

#103030

Achromatopsia

#212121

CSS Usage

background-color: #0F243A;
color: #0F243A;
border-color: #0F243A;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F4F7FB
100
#E4EDF6
200
#C6DBF0
300
#9EC1E6
400
#699FD8
500
#347ECB
600
#2A65A2
700
#225082
800
#1A3F65
900
#17304A
950
#0E1E2F

Contrast Checker

Text on white

15.74:1

AA Pass AAA Pass

Text on black

1.33:1

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