#3B307B

#3B307B

Color Values

HEX

#3B307B

RGB

59, 48, 123

HSL

248.8, 43.9%, 33.5%

HSV

248.8, 61.0%, 48.2%

CMYK

52.0%, 61.0%, 0.0%, 51.8%

OKLCH

0.3659 0.1224 285.3

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#3B307B

#707B30

Analogous

#304A7B

#60307B

#3B307B

Triadic

#3B307B

#7B3B30

#307B3B

Split Complementary

#3B307B

#7B6030

#4A7B30

Tetradic

#3B307B

#7B304A

#707B30

#307B60

Color Blindness Simulation

Original

#3B307B

Protanopia

#363669

Deuteranopia

#373864

Tritanopia

#3A5B57

Achromatopsia

#383838

CSS Usage

background-color: #3B307B;
color: #3B307B;
border-color: #3B307B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E8E6F4
200
#D0CCEB
300
#AFA7DD
400
#8377CA
500
#5848B7
600
#463993
700
#382E75
800
#2C245C
900
#231D44
950
#16132B

Contrast Checker

Text on white

11.08:1

AA Pass AAA Pass

Text on black

1.89:1

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