#21259C

#21259C

Color Values

HEX

#21259C

RGB

33, 37, 156

HSL

238.0, 65.1%, 37.1%

HSV

238.0, 78.8%, 61.2%

CMYK

78.8%, 76.3%, 0.0%, 38.8%

OKLCH

0.3606 0.1856 270.9

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#21259C

#9C9821

Analogous

#21639C

#5A219C

#21259C

Triadic

#21259C

#9C2125

#259C21

Split Complementary

#21259C

#9C5A21

#639C21

Tetradic

#21259C

#9C2163

#9C9821

#219C5A

Color Blindness Simulation

Original

#21259C

Protanopia

#23237F

Deuteranopia

#222278

Tritanopia

#216863

Achromatopsia

#2D2D2D

CSS Usage

background-color: #21259C;
color: #21259C;
border-color: #21259C;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E4F7
200
#C4C6F3
300
#9A9DEA
400
#6367DE
500
#2C32D3
600
#2428A8
700
#1C2087
800
#161969
900
#14164D
950
#0D0E31

Contrast Checker

Text on white

11.61:1

AA Pass AAA Pass

Text on black

1.81:1

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