#311237

#311237

Color Values

HEX

#311237

RGB

49, 18, 55

HSL

290,3, 50,7%, 14,3%

HSV

290,3, 67,3%, 21,6%

CMYK

10,9%, 67,3%, 0,0%, 78,4%

OKLCH

0,2483 0,0766 320,9

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#311237

#183712

Analogous

#1E1237

#37122A

#311237

Triadic

#311237

#373112

#123731

Split Complementary

#311237

#2A3712

#12371E

Tetradic

#311237

#371E12

#183712

#122A37

Color Blindness Simulation

Original

#311237

Protanopia

#24232E

Deuteranopia

#25282C

Tritanopia

#2F2725

Achromatopsia

#1B1B1B

CSS Usage

background-color: #311237;
color: #311237;
border-color: #311237;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF4FB
100
#F2E5F5
200
#E8C9ED
300
#D7A3E1
400
#C171D0
500
#AB3FC0
600
#89329A
700
#6E287B
800
#561F60
900
#3F1A47
950
#28112D

Contrast Checker

Text on white

16,51:1

AA Pass AAA Pass

Text on black

1,27:1

AA Fail AAA Fail

Related Articles

Brand Stories

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

Fév 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