#31203E

#31203E

Color Values

HEX

#31203E

RGB

49, 32, 62

HSL

274.0, 31.9%, 18.4%

HSV

274.0, 48.4%, 24.3%

CMYK

21.0%, 48.4%, 0.0%, 75.7%

OKLCH

0.2791 0.0577 309.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#31203E

#2D3E20

Analogous

#22203E

#3E203C

#31203E

Triadic

#31203E

#3E3120

#203E31

Split Complementary

#31203E

#3C3E20

#203E22

Tetradic

#31203E

#3E2220

#2D3E20

#203C3E

Color Blindness Simulation

Original

#31203E

Protanopia

#2A2937

Deuteranopia

#2B2C35

Tritanopia

#303130

Achromatopsia

#262626

CSS Usage

background-color: #31203E;
color: #31203E;
border-color: #31203E;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5F9
100
#EEE8F2
200
#DDD0E7
300
#C4AED5
400
#A583BF
500
#8557A8
600
#6A4587
700
#55386C
800
#422B54
900
#32233E
950
#201627

Contrast Checker

Text on white

14.93:1

AA Pass AAA Pass

Text on black

1.41:1

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