#021B4D

#021B4D

Color Values

HEX

#021B4D

RGB

2, 27, 77

HSL

220.0, 94.9%, 15.5%

HSV

220.0, 97.4%, 30.2%

CMYK

97.4%, 64.9%, 0.0%, 69.8%

OKLCH

0.2419 0.0979 261.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#021B4D

#4D3402

Analogous

#02414D

#0F024D

#021B4D

Triadic

#021B4D

#4D021B

#1B4D02

Split Complementary

#021B4D

#4D0F02

#414D02

Tetradic

#021B4D

#4D0241

#4D3402

#024D0F

Color Blindness Simulation

Original

#021B4D

Protanopia

#0D0D41

Deuteranopia

#0B0A3E

Tritanopia

#033735

Achromatopsia

#191919

CSS Usage

background-color: #021B4D;
color: #021B4D;
border-color: #021B4D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F5FE
100
#DFE8FC
200
#B9D0FD
300
#88AEFC
400
#4783FA
500
#0757F8
600
#0546C7
700
#04389F
800
#032C7C
900
#07235A
950
#041639

Contrast Checker

Text on white

16.58:1

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