#21426D

#21426D

Color Values

HEX

#21426D

RGB

33, 66, 109

HSL

213.9, 53.5%, 27.8%

HSV

213.9, 69.7%, 42.7%

CMYK

69.7%, 39.4%, 0.0%, 57.3%

OKLCH

0.3769 0.0837 255.9

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#21426D

#6D4C21

Analogous

#21686D

#26216D

#21426D

Triadic

#21426D

#6D2142

#426D21

Split Complementary

#21426D

#6D2621

#686D21

Tetradic

#21426D

#6D2168

#6D4C21

#216D26

Color Blindness Simulation

Original

#21426D

Protanopia

#2F3063

Deuteranopia

#2D2B60

Tritanopia

#235A59

Achromatopsia

#3E3E3E

CSS Usage

background-color: #21426D;
color: #21426D;
border-color: #21426D;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D9EE
300
#A1BEE3
400
#6E9AD3
500
#3B77C4
600
#2F5F9D
700
#264C7D
800
#1E3B62
900
#192D48
950
#101D2D

Contrast Checker

Text on white

10.17:1

AA Pass AAA Pass

Text on black

2.06:1

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