#00023F

#00023F

Color Values

HEX

#00023F

RGB

0, 2, 63

HSL

238.1, 100.0%, 12.4%

HSV

238.1, 100.0%, 24.7%

CMYK

100.0%, 96.8%, 0.0%, 75.3%

OKLCH

0.1709 0.112 264.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#00023F

#3F3D00

Analogous

#00223F

#1E003F

#00023F

Triadic

#00023F

#3F0002

#023F00

Split Complementary

#00023F

#3F1E00

#223F00

Tetradic

#00023F

#3F0022

#3F3D00

#003F1E

Color Blindness Simulation

Original

#00023F

Protanopia

#010130

Deuteranopia

#01012D

Tritanopia

#002522

Achromatopsia

#060606

CSS Usage

background-color: #00023F;
color: #00023F;
border-color: #00023F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F1FE
100
#DEDFFC
200
#B8BAFF
300
#8588FF
400
#4248FF
500
#0008FF
600
#0006CC
700
#0005A3
800
#000480
900
#05085C
950
#03053A

Contrast Checker

Text on white

19.44:1

AA Pass AAA Pass

Text on black

1.08:1

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