#1F033F

#1F033F

Color Values

HEX

#1F033F

RGB

31, 3, 63

HSL

268,0, 90,9%, 12,9%

HSV

268,0, 95,2%, 24,7%

CMYK

50,8%, 95,2%, 0,0%, 75,3%

OKLCH

0,2062 0,1035 297,9

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1F033F

#233F03

Analogous

#03053F

#3D033F

#1F033F

Triadic

#1F033F

#3F1F03

#033F1F

Split Complementary

#1F033F

#3F3D03

#053F03

Tetradic

#1F033F

#3F0305

#233F03

#033F3D

Color Blindness Simulation

Original

#1F033F

Protanopia

#131330

Deuteranopia

#14172D

Tritanopia

#1E2522

Achromatopsia

#0D0D0D

CSS Usage

background-color: #1F033F;
color: #1F033F;
border-color: #1F033F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F1FD
100
#ECDFFB
200
#D9BBFC
300
#BE8AF9
400
#9B4BF6
500
#780CF3
600
#6009C3
700
#4D079C
800
#3C067A
900
#2E0958
950
#1D0638

Contrast Checker

Text on white

18,37:1

AA Pass AAA Pass

Text on black

1,14:1

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