#281B89

#281B89

Color Values

HEX

#281B89

RGB

40, 27, 137

HSL

247.1, 67.1%, 32.2%

HSV

247.1, 80.3%, 53.7%

CMYK

70.8%, 80.3%, 0.0%, 46.3%

OKLCH

0.33 0.1697 277.0

Properties

Cool Dark Nearest: purple 4

Color Harmonies

Complementary

#281B89

#7C891B

Analogous

#1B4589

#5F1B89

#281B89

Triadic

#281B89

#89281B

#1B8928

Split Complementary

#281B89

#895F1B

#45891B

Tetradic

#281B89

#891B45

#7C891B

#1B895F

Color Blindness Simulation

Original

#281B89

Protanopia

#22226E

Deuteranopia

#232468

Tritanopia

#275955

Achromatopsia

#262626

CSS Usage

background-color: #281B89;
color: #281B89;
border-color: #281B89;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F3FC
100
#E5E3F7
200
#C9C3F3
300
#A299EB
400
#7061E0
500
#3E2AD5
600
#3222AA
700
#281B88
800
#1F156B
900
#1A134E
950
#100C31

Contrast Checker

Text on white

13.06:1

AA Pass AAA Pass

Text on black

1.61:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026