#21477C

#21477C

Color Values

HEX

#21477C

RGB

33, 71, 124

HSL

214.9, 58.0%, 30.8%

HSV

214.9, 73.4%, 48.6%

CMYK

73.4%, 42.7%, 0.0%, 51.4%

OKLCH

0.3992 0.0997 257.2

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#21477C

#7C5621

Analogous

#21757C

#28217C

#21477C

Triadic

#21477C

#7C2147

#477C21

Split Complementary

#21477C

#7C2821

#757C21

Tetradic

#21477C

#7C2175

#7C5621

#217C28

Color Blindness Simulation

Original

#21477C

Protanopia

#31326F

Deuteranopia

#2F2C6C

Tritanopia

#236563

Achromatopsia

#434343

CSS Usage

background-color: #21477C;
color: #21477C;
border-color: #21477C;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F4F7FB
100
#E4ECF6
200
#C7D8F0
300
#9EBCE5
400
#6A98D7
500
#3673C9
600
#2B5CA1
700
#224A81
800
#1B3A65
900
#172C4A
950
#0F1C2F

Contrast Checker

Text on white

9.3:1

AA Pass AAA Pass

Text on black

2.26:1

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