#310740

#310740

Color Values

HEX

#310740

RGB

49, 7, 64

HSL

284.2, 80.3%, 13.9%

HSV

284.2, 89.1%, 25.1%

CMYK

23.4%, 89.1%, 0.0%, 74.9%

OKLCH

0.241 0.1037 315.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#310740

#164007

Analogous

#140740

#400732

#310740

Triadic

#310740

#403107

#074031

Split Complementary

#310740

#324007

#074014

Tetradic

#310740

#401407

#164007

#073240

Color Blindness Simulation

Original

#310740

Protanopia

#1F1E32

Deuteranopia

#21242F

Tritanopia

#2F2725

Achromatopsia

#141414

CSS Usage

background-color: #310740;
color: #310740;
border-color: #310740;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#FAF2FD
100
#F3E1F9
200
#E9BFF8
300
#D991F3
400
#C555EC
500
#B019E6
600
#8D14B8
700
#711093
800
#580D73
900
#410D53
950
#290835

Contrast Checker

Text on white

17.0:1

AA Pass AAA Pass

Text on black

1.24:1

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