#311B89

#311B89

Color Values

HEX

#311B89

RGB

49, 27, 137

HSL

252.0, 67.1%, 32.2%

HSV

252.0, 80.3%, 53.7%

CMYK

64.2%, 80.3%, 0.0%, 46.3%

OKLCH

0.3375 0.1679 281.7

Properties

Cool Dark Nearest: purple 4

Color Harmonies

Complementary

#311B89

#73891B

Analogous

#1B3C89

#681B89

#311B89

Triadic

#311B89

#89311B

#1B8931

Split Complementary

#311B89

#89681B

#3C891B

Tetradic

#311B89

#891B3C

#73891B

#1B8968

Color Blindness Simulation

Original

#311B89

Protanopia

#27276E

Deuteranopia

#292A68

Tritanopia

#305955

Achromatopsia

#282828

CSS Usage

background-color: #311B89;
color: #311B89;
border-color: #311B89;
Nearest Tailwind: Violet 900 #4C1D95

Tailwind Shades

50
#F5F3FC
100
#E7E3F7
200
#CDC3F3
300
#A999EB
400
#7B61E0
500
#4C2AD5
600
#3D22AA
700
#311B88
800
#26156B
900
#1F134E
950
#140C31

Contrast Checker

Text on white

12.74:1

AA Pass AAA Pass

Text on black

1.65:1

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