#021937

#021937

Color Values

HEX

#021937

RGB

2, 25, 55

HSL

214.0, 93.0%, 11.2%

HSV

214.0, 96.4%, 21.6%

CMYK

96.4%, 54.5%, 0.0%, 78.4%

OKLCH

0.2155 0.066 255.3

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#021937

#372002

Analogous

#023437

#060237

#021937

Triadic

#021937

#370219

#193702

Split Complementary

#021937

#370602

#343702

Tetradic

#021937

#370234

#372002

#023706

Color Blindness Simulation

Original

#021937

Protanopia

#0C0C30

Deuteranopia

#0B092E

Tritanopia

#032A29

Achromatopsia

#161616

CSS Usage

background-color: #021937;
color: #021937;
border-color: #021937;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F7FD
100
#DFEBFB
200
#BAD7FD
300
#89BAFB
400
#4995F8
500
#0970F6
600
#0759C5
700
#06479D
800
#04387B
900
#082B59
950
#051B38

Contrast Checker

Text on white

17.55:1

AA Pass AAA Pass

Text on black

1.2:1

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