#310B63

#310B63

Color Values

HEX

#310B63

RGB

49, 11, 99

HSL

265.9, 80.0%, 21.6%

HSV

265.9, 88.9%, 38.8%

CMYK

50.5%, 88.9%, 0.0%, 61.2%

OKLCH

0.2792 0.1375 295.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#310B63

#3D630B

Analogous

#0B1163

#5D0B63

#310B63

Triadic

#310B63

#63310B

#0B6331

Split Complementary

#310B63

#635D0B

#11630B

Tetradic

#310B63

#630B11

#3D630B

#0B635D

Color Blindness Simulation

Original

#310B63

Protanopia

#21204E

Deuteranopia

#232649

Tritanopia

#2F3D39

Achromatopsia

#191919

CSS Usage

background-color: #310B63;
color: #310B63;
border-color: #310B63;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F7F2FD
100
#EBE1F9
200
#D7BFF8
300
#BB91F3
400
#9655EC
500
#7219E6
600
#5B14B8
700
#491093
800
#390D73
900
#2C0E53
950
#1C0935

Contrast Checker

Text on white

15.46:1

AA Pass AAA Pass

Text on black

1.36:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026