#312370

#312370

Color Values

HEX

#312370

RGB

49, 35, 112

HSL

250.9, 52.4%, 28.8%

HSV

250.9, 68.8%, 43.9%

CMYK

56.2%, 68.8%, 0.0%, 56.1%

OKLCH

0.3239 0.1264 285.2

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#312370

#627023

Analogous

#233B70

#572370

#312370

Triadic

#312370

#703123

#237031

Split Complementary

#312370

#705723

#3B7023

Tetradic

#312370

#70233B

#627023

#237057

Color Blindness Simulation

Original

#312370

Protanopia

#2B2B5D

Deuteranopia

#2C2D59

Tritanopia

#304F4B

Achromatopsia

#2C2C2C

CSS Usage

background-color: #312370;
color: #312370;
border-color: #312370;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FB
100
#E8E5F5
200
#CFC9EE
300
#ADA2E2
400
#816FD2
500
#553DC2
600
#44319B
700
#36277C
800
#2A1E61
900
#221A47
950
#15102D

Contrast Checker

Text on white

13.08:1

AA Pass AAA Pass

Text on black

1.6:1

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