#1F1235

#1F1235

Color Values

HEX

#1F1235

RGB

31, 18, 53

HSL

262.3, 49.3%, 13.9%

HSV

262.3, 66.0%, 20.8%

CMYK

41.5%, 66.0%, 0.0%, 79.2%

OKLCH

0.2209 0.0663 297.9

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#1F1235

#283512

Analogous

#121635

#301235

#1F1235

Triadic

#1F1235

#351F12

#12351F

Split Complementary

#1F1235

#353012

#163512

Tetradic

#1F1235

#351216

#283512

#123530

Color Blindness Simulation

Original

#1F1235

Protanopia

#19192D

Deuteranopia

#1A1B2A

Tritanopia

#1E2624

Achromatopsia

#171717

CSS Usage

background-color: #1F1235;
color: #1F1235;
border-color: #1F1235;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#EBE6F5
200
#D7CAED
300
#BAA4E0
400
#9572CF
500
#6F41BE
600
#593498
700
#47297A
800
#38205F
900
#2B1B46
950
#1B112C

Contrast Checker

Text on white

17.56:1

AA Pass AAA Pass

Text on black

1.2:1

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