#313599

#313599

Color Values

HEX

#313599

RGB

49, 53, 153

HSL

237.7, 51.5%, 39.6%

HSV

237.7, 68.0%, 60.0%

CMYK

68.0%, 65.4%, 0.0%, 40.0%

OKLCH

0.3931 0.1597 274.5

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#313599

#999531

Analogous

#316999

#613199

#313599

Triadic

#313599

#993135

#359931

Split Complementary

#313599

#996131

#699931

Tetradic

#313599

#993169

#999531

#319961

Color Blindness Simulation

Original

#313599

Protanopia

#333381

Deuteranopia

#32327B

Tritanopia

#316E6A

Achromatopsia

#3B3B3B

CSS Usage

background-color: #313599;
color: #313599;
border-color: #313599;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CAEE
300
#A2A5E1
400
#7074D1
500
#3E43C1
600
#31359B
700
#282B7C
800
#1F2161
900
#1A1C47
950
#10122D

Contrast Checker

Text on white

10.0:1

AA Pass AAA Pass

Text on black

2.1:1

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