#021B35

#021B35

Color Values

HEX

#021B35

RGB

2, 27, 53

HSL

210,6, 92,7%, 10,8%

HSV

210,6, 96,2%, 20,8%

CMYK

96,2%, 49,1%, 0,0%, 79,2%

OKLCH

0,2195 0,06 251,4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#021B35

#351C02

Analogous

#023535

#030235

#021B35

Triadic

#021B35

#35021B

#1B3502

Split Complementary

#021B35

#350302

#353502

Tetradic

#021B35

#350235

#351C02

#023503

Color Blindness Simulation

Original

#021B35

Protanopia

#0D0D2F

Deuteranopia

#0B0A2D

Tritanopia

#032A29

Achromatopsia

#181818

CSS Usage

background-color: #021B35;
color: #021B35;
border-color: #021B35;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F7FD
100
#DFEDFB
200
#BADBFC
300
#89C1FB
400
#499FF8
500
#097DF6
600
#0764C5
700
#06509D
800
#053F7B
900
#083059
950
#051E38

Contrast Checker

Text on white

17,34:1

AA Pass AAA Pass

Text on black

1,21:1

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