#001235

#001235

Color Values

HEX

#001235

RGB

0, 18, 53

HSL

219.6, 100.0%, 10.4%

HSV

219.6, 100.0%, 20.8%

CMYK

100.0%, 66.0%, 0.0%, 79.2%

OKLCH

0.1933 0.0745 258.9

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#001235

#352300

Analogous

#002D35

#080035

#001235

Triadic

#001235

#350012

#123500

Split Complementary

#001235

#350800

#2D3500

Tetradic

#001235

#35002D

#352300

#003508

Color Blindness Simulation

Original

#001235

Protanopia

#08082D

Deuteranopia

#07052A

Tritanopia

#012624

Achromatopsia

#111111

CSS Usage

background-color: #001235;
color: #001235;
border-color: #001235;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F5FE
100
#DEE8FC
200
#B8D0FF
300
#85AEFF
400
#4282FF
500
#0057FF
600
#0045CC
700
#0037A3
800
#002B80
900
#05225C
950
#03163A

Contrast Checker

Text on white

18.45:1

AA Pass AAA Pass

Text on black

1.14:1

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