#01182C

#01182C

Color Values

HEX

#01182C

RGB

1, 24, 44

HSL

207.9, 95.6%, 8.8%

HSV

207.9, 97.7%, 17.3%

CMYK

97.7%, 45.5%, 0.0%, 82.7%

OKLCH

0.2028 0.0504 246.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#01182C

#2C1501

Analogous

#012C2A

#01022C

#01182C

Triadic

#01182C

#2C0118

#182C01

Split Complementary

#01182C

#2C0102

#2C2A01

Tetradic

#01182C

#2A012C

#2C1501

#022C01

Color Blindness Simulation

Original

#01182C

Protanopia

#0B0B27

Deuteranopia

#0A0826

Tritanopia

#022322

Achromatopsia

#151515

CSS Usage

background-color: #01182C;
color: #01182C;
border-color: #01182C;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F8FE
100
#DFEEFC
200
#B9DEFD
300
#87C6FC
400
#46A7FB
500
#0688F9
600
#046DC8
700
#0457A0
800
#03447D
900
#07335A
950
#042039

Contrast Checker

Text on white

17.97:1

AA Pass AAA Pass

Text on black

1.17:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026